GOST 18300 87 is replaced by what. Rectified technical ethyl alcohol
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INTERSTATE STANDARD
RECTIFIED TECHNICAL ETHYL ALCOHOL
TECHNICAL CONDITIONS
Official publication
Standardinform
INTERSTATE STANDARD RECTIFIED TECHNICAL ETHYL ALCOHOL Specifications
Specifications
Technical rectified ethyl alcohol. Specifications
MKS 71.080.60 OKP 91 8213 2000
Date of introduction 07/01/88
This standard applies to technical ethyl rectified alcohol produced from non-edible plant materials. The “Extra” brand product is intended for use as a solvent and for other purposes. Technical ethyl rectified alcohol of the highest and first grades is used as a raw material for the production of chemical products.
The technical level indicators established by this standard for the “Extra” and premium grades are provided for the highest quality category.
1. TECHNICAL REQUIREMENTS
1.1. Technical ethyl rectified alcohol must be manufactured in accordance with the requirements of this standard according to technological regulations approved in the prescribed manner.
1.2. Characteristics
1.2.1. Depending on the degree of purification, rectified technical ethyl alcohol is produced in the “Extra” grade and in two grades: premium and first.
1.2.2. In terms of physical and chemical indicators, technical ethyl rectified alcohol must meet the requirements and values specified in the table.
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Meaning | ||||
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Indicator name |
first grade OKP 91 8213 2300 |
Method of analysis |
||
|
highest grade OKP 91 8213 2200 | ||||
|
1. Appearance |
Transparent, colorless liquid without foreign particles | |||
|
Characteristic of rectified ethyl alcohol, without the odor of foreign substances | ||||
|
3. Volume fraction of ethyl alcohol, %, not less | ||||
Official publication
Reproduction is prohibited
Publishing house of standards, 1987 D STANDARDINFORM, 2007 D STANDARDINFORM, 2008
S. 2 GOST 18300-87
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Continuation |
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* On the territory of the Russian Federation, GOST R 51710-2000, GOST R 52473-2005 (hereinafter) are in force.
Notes:
1. Only “Extra” grade alcohol is intended for the electronics industry.
2. The mass concentration of sulfur is determined only in alcohol obtained by processing a mixture of hydrolytic and sulfite alcohols.
1.2.3. Ethyl alcohol, in terms of the degree of impact on the human body, belongs to the 4th hazard class according to GOST 12.1.007.
GOST 18300-87 S. 3
The maximum permissible concentration (MPC) of ethyl alcohol vapor in the air of the working area of industrial premises is 1000 mg/m 3 .
1.2.4. Ethyl alcohol is a colorless, flammable liquid. Flash point - not less than 13 °C, auto-ignition temperature - not less than 404 °C, concentrated flame spread limits: lower - 3.6%, upper - 19% (by volume). Temperature limits for flame propagation of saturated alcohol vapor in air: lower - 11 °C, upper
1.2.5. Tanks, process equipment, pipelines and unloading devices associated with the reception, storage and movement of ethyl alcohol must be protected from static electricity in accordance with the rules for protection against static electricity, approved in the prescribed manner.
Electrical equipment must be explosion-proof.
1.2.6. In emergency conditions with an increased concentration of ethyl alcohol in the air, as well as in case of fire, you should use personal respiratory protection equipment - filtering gas masks of grade A or BKF.
1.2.7. Fire extinguishing agents: sprayed water, sand, asbestos blanket, all types of fire extinguishers.
1.2.8. When working with ethyl alcohol, you should wear special clothing in accordance with industry standards.
1.3. Marking
1.3.1. Transport marking - according to GOST 14192.
1.3.2. The following additional data is applied to each barrel of product: name of the manufacturer and its trademark; name and brand or grade of product;
batch number, number of seats in the batch and their numbers; date of manufacture;
In this case, a standard alcohol solution is used with a mass concentration of acetaldehyde of 4 mg in 1 dm 3 of anhydrous alcohol for the “Extra” and premium grade, 10 mg in 1 dm 3 of anhydrous alcohol for the first grade.
3.3. Determination of the mass concentration of fusel oil in anhydrous alcohol
In this case, standard alcohol solutions of a mixture of higher alcohols are used: 4 mg of acetaldehyde and 4 mg of fusel oil in 1 dm 3 of anhydrous alcohol for the “Extra” and premium grade, 10 mg of acetaldehyde and 15 mg of fusel oil in 1 dm 3 of anhydrous alcohol - for the first grade.
3.4. Both for methyl alcohol
GOST 18300-87 S. 5
In this case, a standard alcohol solution with a volume fraction of methyl alcohol of 0.05% is used.
Technical rectified ethyl alcohol meets the requirements of this standard if the color of the analyzed solution is weaker than the color of the standard alcohol solution or the same as it.
3.5. Determination of mass concentration of dry residue
In this case, it is allowed to use quartz evaporation bowls in accordance with GOST 19908 or platinum bowls in accordance with GOST 6563.
3.6. Determination of specific volumetric electrical resistance
3.6.1. Equipment, reagents and solutions
Conductivity meter type MMZCH-04 or similar type.
Thermostat.
A set of sensors for conductometric measurements, type UK-02/1 (two-electrode sensor with a smooth platinum surface and a constant of no more than 0.5 cm -1).
OST 6-09-108-85
5. The validity period was lifted according to Protocol No. 7-95 of the Interstate Council for Standardization, Metrology and Certification (NUS 11-95)
6. REPUBLICATION. January 2007
Reprint (as of April 2008)
Editor R.G. Goverdovskaya Technical editor V.N. Prusakova Corrector M.V. Buchnaya Computer layout A.N. Zolotareva
Signed for publication on June 10, 2008. Format 60x84U 8. Offset paper. Times typeface. Offset printing. Uel. oven l. 0.93. Academic ed. l. 0.72. Circulation 94 copies. Zach. 706.
FSUE "STANDARTINFORM", 123995 Moscow, Granatny per., 4. www.gostinfo.ru [email protected] Typed in FSUE "STANDARTINFORM" on a PC Printed in the branch of FSUE "STANDARTINFORM" - type. "Moscow Printer", 105062 Moscow, Lyalin lane, 6.
GOST 5964-93
1.2.2, 3.2, 3.3, 3.4
GOST 6247-79
GOST 6563-75
GOST 6709-72
GOST 10749.4-80
GOST 10749.7-80
GOST 10749.9-80
GOST 12082-82
GOST 13950-91
GOST 14192-96
GOST 19433-88
GOST 19908-90
OST 6-09-108-85
5. The validity period was lifted according to Protocol N 7-95 of the Interstate Council for Standardization, Metrology and Certification (IUS 11-95)
6. REPUBLICATION. January 2007
Reprint (as of April 2008)
This standard applies to technical ethyl rectified alcohol produced from non-edible plant materials. The “Extra” brand product is intended for use as a solvent and for other purposes. Technical ethyl rectified alcohol of the highest and first grades is used as a raw material for the production of chemical products.
The technical level indicators established by this standard for the “Extra” and premium grades are provided for the highest quality category.
1. TECHNICAL REQUIREMENTS
1. TECHNICAL REQUIREMENTS
1.1. Technical ethyl rectified alcohol must be manufactured in accordance with the requirements of this standard according to technological regulations approved in the prescribed manner.
1.2. Characteristics
1.2.1. Depending on the degree of purification, rectified technical ethyl alcohol is produced in the “Extra” grade and in two grades: premium and first.
1.2.2. In terms of physical and chemical indicators, technical ethyl rectified alcohol must meet the requirements and values specified in the table.
Indicator name | Meaning | Method of analysis |
||
first | ||||
“Extra” brand | premium | |||
1. Appearance | Transparent, colorless liquid without foreign particles | |||
Characteristic of rectified ethyl alcohol, without the odor of foreign substances | ||||
3. Volume fraction of ethyl alcohol, %, not less | ||||
4. Test for purity | Must stand the test | |||
6. Mass concentration of aldehydes in anhydrous alcohol, mg/dm, no more | ||||
9. Mass concentration of esters in anhydrous alcohol, mg/dm, no more | ||||
10. Test for methyl alcohol | Must stand the test | |||
12. Mass concentration of dry residue, mg/dm, no more | ||||
14. Mass concentration of alkali in terms of NaOH, mg/dm, no more | Absent | |||
15. Specific volume | Not defined | |||
________________
* On the territory of the Russian Federation, GOST R 51710-2000**, GOST R 52473-2005 (hereinafter) are in force.
**Probably an error in the original. Should read: GOST R 51710-2001. - Database manufacturer's note.
Notes:
1. Only “Extra” grade alcohol is intended for the electronics industry.
2. The mass concentration of sulfur is determined only in alcohol obtained by processing a mixture of hydrolytic and sulfite alcohols.
1.2.3. Ethyl alcohol, in terms of the degree of impact on the human body, belongs to the 4th hazard class according to GOST 12.1.007.
The maximum permissible concentration (MPC) of ethyl alcohol vapor in the air of the working area of industrial premises is 1000 mg/m.
1.2.4. Ethyl alcohol is a colorless, flammable liquid. Flash point - not less than 13 °C, auto-ignition temperature - not less than 404 °C, concentration limits of flame spread: lower - 3.6%, upper - 19% (by volume). Temperature limits for flame propagation of saturated alcohol vapor in the air: lower - 11 °C, upper - 41 °C. Category and group of explosive mixture of ethyl alcohol with air - IIA-T2. The determination is carried out according to GOST 12.1.044.
1.2.5. Tanks, process equipment, pipelines and unloading devices associated with the reception, storage and movement of ethyl alcohol must be protected from static electricity in accordance with the rules for protection against static electricity, approved in the prescribed manner.
Electrical equipment must be explosion-proof.
1.2.6. In emergency conditions with an increased concentration of ethyl alcohol in the air, as well as in case of fire, you should use personal respiratory protection equipment - filtering gas masks of grade A or BKF.
1.2.7. Fire extinguishing agents: sprayed water, sand, asbestos blanket, all types of fire extinguishers.
1.2.8. When working with ethyl alcohol, you should wear special clothing in accordance with industry standards.
1.3. Marking
1.3.1. Transport marking - according to GOST 14192.
1.3.2. The following additional data is applied to each barrel of product:
batch number, number of seats in the batch and their numbers;
date of manufacture;
danger signs according to GOST 19433, group code 3252;
the inscription "Flammable";
amount of alcohol in deciliters;
designation of this standard.
Railroad tanks must be marked with warning signs “Flammable” and “Poisonous”, as well as a stencil.
1.4. Package
1.4.1. Technical ethyl rectified alcohol is poured into specially prepared railway and road tanks. It is allowed to pack alcohol in hermetically sealed barrels in accordance with GOST 13950 and GOST 6247, bottles in accordance with OST 6-09-108 or metal flasks in accordance with GOST 5037, FL version.
Bottles with alcohol must be placed in board crates in accordance with GOST 12082, board boxes in accordance with GOST 2991 or similar types, filled with loose cushioning material.
1.4.2. The degree (level) of filling of tanks and barrels is calculated taking into account the full use of their capacity (carrying capacity) and volumetric expansion of the product with a possible temperature difference along the route.
2. ACCEPTANCE
2.1. Technical rectified ethyl alcohol is taken in batches. A batch is considered to be any quantity of alcohol, homogeneous in terms of quality, one shipment date and accompanied by one quality document.
The document must contain:
name of the manufacturer and its trademark;
name and brand or grade of product;
party number, number of seats in the party;
amount of alcohol in deciliters or gross and net mass;
date of manufacture;
results of analyzes or confirmation of product quality compliance with the requirements of this standard;
quality document number;
designation of this standard;
"Flammable" sign.
When transporting alcohol in railway and road tanks, each tank is considered a batch.
2.2. To check the quality of ethyl alcohol for compliance with the requirements of this standard, an alcohol sample is taken from each tank or dispensing measure. The manufacturer is allowed to take a sample from a commercial storage tank, and when determining the volume fraction of ethyl alcohol, a sample is taken from each railway tank.
From a batch of alcohol in barrels, bottles or cans, 10% of the units of production are selected, but not less than three.
The manufacturer determines the specific volumetric electrical resistance periodically at the request of consumers.
2.3. If unsatisfactory analysis results are obtained for at least one of the indicators, a repeat analysis is carried out on a double sample taken from the same batch, or on a double number of samples from the tank. The results of the re-analysis apply to the entire batch.
3. METHODS OF ANALYSIS
3.1. Sampling methods
3.1.1. A point sample from a tank or storage tank is taken with a portable metal sampler in accordance with GOST 2517 in equal parts from three levels: top, middle and bottom.
It is permissible to use a sampler of a different design.
A point sample is taken from the dispensing measuring cup using sampling taps. In the absence of taps, the sample is taken in the same way as from a tank. A sample is taken from barrels, bottles and cans with a clean glass tube, immersing it to the bottom.
The volume of a spot sample is at least 200 cm3.
3.1.2. Selected spot samples are combined together, mixed thoroughly and the combined sample in a volume of at least 2 dm is placed in two clean bottles with ground-in stoppers with a capacity of 1 dm, pre-rinsed with the same alcohol. The necks of the bottles are wrapped in a piece of fabric or cellophane and tied with twine, the ends of which are sealed or sealed with a wax seal on a cardboard or wooden plate. Labels with the name of the manufacturer, the name of the product, the batch number, the date and place of sampling, the designation of the standard, and the name of the sampler are affixed to the bottles with the combined sample.
One of the bottles is sent for analysis to the laboratory, the other is stored for two months in case of disagreement in assessing the quality of the product.
3.2. Determination of mass concentration of aldehydes in anhydrous alcohol
The determination is carried out according to GOST 5964, section 2.
In this case, a standard alcohol solution is used with a mass concentration of acetaldehyde of 4 mg in 1 dm of anhydrous alcohol for the “Extra” and premium grades, 10 mg in 1 dm of anhydrous alcohol for the first grade.
3.3. Determination of the mass concentration of fusel oil in anhydrous alcohol
The determination is carried out according to GOST 5964, section 2.
In this case, standard alcohol solutions of a mixture of higher alcohols are used: 4 mg of acetaldehyde and 4 mg of fusel oil in 1 dm of anhydrous alcohol for the “Extra” and premium grades, 10 mg of acetaldehyde and 15 mg of fusel oil in 1 dm of anhydrous alcohol - for the first grade varieties.
3.4. Test for methyl alcohol
The determination is carried out according to GOST 5964, section 2.
In this case, a standard alcohol solution with a volume fraction of methyl alcohol of 0.05% is used.
Technical rectified ethyl alcohol meets the requirements of this standard if the color of the analyzed solution is weaker than the color of the standard alcohol solution or the same as it.
3.5. Determination of mass concentration of dry residue
The determination is carried out according to GOST 10749.9.
In this case, it is allowed to use quartz evaporation bowls in accordance with GOST 19908 or platinum bowls in accordance with GOST 6563.
3.6. Determination of specific volumetric electrical resistance
3.6.1. Equipment, reagents and solutions
Conductivity meter type MMZCH-04 or similar type.
Thermostat.
A set of sensors for conductometric measurements, type UK-02/1 (two-electrode sensor with a smooth platinum surface and a constant of no more than 0.5 cm).
c =0.001 mol/dm (0.001 n.).
3.6.2. Determination of the sensor constant
The potassium chloride solution is poured into the measuring vessel so that the electrodes are completely covered with it, thermostated at a temperature of (20±0.1) °C for at least 15 minutes and the resistance of this solution is measured.
3.6.3. Processing the results
Sensor constant ,
cm, calculated by the formula
where is the specific electrical conductivity of a 0.001 mol/dm solution of potassium chloride, equal to 0.000128 Ohm cm at 20 °C, Ohm cm;
- resistance of potassium chloride solution, Ohm.
3.6.4. Carrying out analysis
The sensors and measuring vessel are thoroughly washed with distilled water and the alcohol being analyzed, then filled with the same alcohol.
Measurement of specific volumetric electrical resistance is carried out as indicated in paragraph 3.6.2.
3.6.5. Processing the results
Specific volumetric electrical resistance, Ohm cm, is calculated using the formula
where is the resistance of the analyzed alcohol, Ohm;
- sensor constant, see
The result of the analysis is taken as the arithmetic mean of the results of two parallel determinations, the relative value of the discrepancy between them does not exceed the value of the permissible discrepancy equal to 5%.
The limits of the permissible relative total error of the analysis result are ±3% with a confidence probability of 0.95.
4. TRANSPORTATION AND STORAGE
4.1. Transportation of ethyl alcohol by rail is carried out in accordance with the rules for the transportation of dangerous goods and liquid cargo in bulk in tank cars and bunker gondola cars.
Transportation of ethyl alcohol in barrels, bottles and flasks by road and in bulk in tank trucks is carried out in accordance with the rules for the transportation of goods in force for this type of transport.
4.2. Technical rectified ethyl alcohol is stored in warehouses in specially equipped metal containers intended for it in accordance with the rules for acceptance, storage, dispensing, transportation and accounting of ethyl alcohol, approved in the prescribed manner.
It is allowed to store technical ethyl rectified ethyl alcohol in warehouses intended for storing flammable products in the manufacturer's packaging.
Electronic document text
prepared by Kodeks JSC and verified against:
official publication
M.: Standartinform, 2008
GOST 18300-87
INTERSTATE STANDARD
Ethanol
RECTIFIED TECHNICAL
TECHNICAL CONDITIONS
Official publication
Standardinform
UDC 661.722:006.354
INTERSTATE
Group L25
STANDARD
RECTIFIED TECHNICAL ETHYL ALCOHOL
Specifications
Technical rectified ethyl alcohol. Specifications
MKS 71.080.60 OKP 91 8213 2000
Date of introduction 07/01/88
This standard applies to technical ethyl rectified alcohol produced from non-edible plant materials. The “Extra” brand product is intended for use as a solvent and for other purposes. Technical ethyl rectified alcohol of the highest and first grades is used as a raw material for the production of chemical products.
The technical level indicators established by this standard for the “Extra” and premium grades are provided for the highest quality category.
1. TECHNICAL REQUIREMENTS
1.1. Technical ethyl rectified alcohol must be manufactured in accordance with the requirements of this standard according to technological regulations approved in the prescribed manner.
1.2. Characteristics
1.2.1. Depending on the degree of purification, rectified technical ethyl alcohol is produced in the “Extra” grade and in two grades: premium and first.
1.2.2. In terms of physical and chemical indicators, technical ethyl rectified alcohol must meet the requirements and values specified in the table.
Official publication ★
Reproduction is prohibited
Publishing house of standards, 1987 D STANDARDINFORM, 2007 D STANDARDINFORM, 2008
Continuation
|
Meaning | ||||
|
Indicator name |
Method of analysis |
|||
|
brand "Extra" OKP 91 8213 2100 |
highest grade OKP 91 8213 2200 |
first grade OKP 91 8213 2300 | ||
|
4. Test for purity |
Must stand the test |
According to GOST 5964* |
||
|
5. Test for oxidation - capacity, min, not less |
According to GOST 5964* |
|||
|
6. Mass concentration of aldehydes in anhydrous alcohol, mg/dm * 1 2 3, no more |
According to GOST 5964*, section. 2, and by and. 3.2 of this standard |
|||
|
7. Mass concentration of fusel oil in anhydrous alcohol, mg/dm 3, no more |
According to GOST 5964*, section. 2, and by and. 3.3 of this standard |
|||
|
8. Mass concentration of acids in terms of acetic acid in anhydrous alcohol, mg/dm 3, no more |
According to GOST 5964* |
|||
|
9. Mass concentration of esters in anhydrous alcohol, mg/dm 3, no more |
According to GOST 5964*, section. 2 |
|||
|
10. Test for methyl alcohol |
Must stand the test |
According to GOST 5964*, section. 2. and according to clause 3.4 of this standard |
||
|
11. Test for furfural |
Absent |
According to GOST 5964* |
||
|
12. Mass concentration of dry residue, mg/dm 3, no more |
According to GOST 10749.9 and according to i. 3.5 of this standard |
|||
|
13. Mass concentration of sulfur, mg/dm 3, no more |
Absent |
According to GOST 10749.7 |
||
|
14. Mass concentration of alkali in terms of NaOH, mg/dm 3, no more |
Absent |
According to GOST 10749.4 |
||
|
15. Specific volumetric electrical resistance, Ohm ■ cm, not less |
Not defined | |||
* On the territory of the Russian Federation, GOST R 51710-2000, GOST R 52473-2005 (hereinafter) are in force.
Notes:
1. Only “Extra” grade alcohol is intended for the electronics industry.
2. The mass concentration of sulfur is determined only in the alcohol obtained during the processing of the mixture
rolyse and sulfite alcohols.
1.2.3. Ethyl alcohol, according to the degree of impact on the human body, belongs to class 4
danger according to GOST 12.1.007.
The maximum permissible concentration (MPC) of ethyl alcohol vapor in the air of the working area of industrial premises is 1000 mg/m 3 .
1.2.4. Ethyl alcohol is a colorless, flammable liquid. Flash point - not less than 13 °C, auto-ignition temperature - not less than 404 °C, concentrated flame spread limits: lower - 3.6%, upper - 19% (by volume). Temperature limits for flame propagation of saturated alcohol vapor in the air: lower - 11 °C, upper - 41 °C. Category and group of explosive mixture of ethyl alcohol with air - IIA-T2. The determination is carried out according to GOST 12.1.044.
1.2.5. Tanks, process equipment, pipelines and unloading devices associated with the reception, storage and movement of ethyl alcohol must be protected from static electricity in accordance with the rules for protection against static electricity, approved in the prescribed manner.
Electrical equipment must be explosion-proof.
1.2.6. In emergency conditions with an increased concentration of ethyl alcohol in the air, as well as in case of fire, you should use personal respiratory protection equipment - filtering gas masks of grade A or BKF.
1.2.7. Fire extinguishing agents: sprayed water, sand, asbestos blanket, all types of fire extinguishers.
1.2.8. When working with ethyl alcohol, you should wear special clothing in accordance with industry standards.
1.3. Marking
1.3.1. Transport marking - according to GOST 14192.
1.3.2. The following additional data is applied to each barrel of product: name of the manufacturer and its trademark; name and brand or grade of product;
batch number, number of seats in the batch and their numbers; date of manufacture;
danger signs according to GOST 19433, group code 3252; the inscription “Flammable”; amount of alcohol in deciliters; designation of this standard.
Railroad tanks must be marked with warning signs “Flammable” and “Poisonous”, as well as a stencil.
1.4. Package
1.4.1. Technical ethyl rectified alcohol is poured into specially prepared railway and road tanks. It is allowed to pack alcohol in hermetically sealed barrels in accordance with GOST 13950 and GOST 6247, bottles in accordance with OST 6-09-108 or metal flasks in accordance with GOST 5037, FL version.
Bottles with alcohol must be placed in board crates in accordance with GOST 12082, board boxes in accordance with GOST 2991 or similar types, filled with loose cushioning material.
1.4.2. The degree (level) of filling of tanks and barrels is calculated taking into account the full use of their capacity (carrying capacity) and volumetric expansion of the product with a possible temperature difference along the route.
2. ACCEPTANCE
2.1. Technical rectified ethyl alcohol is taken in batches. A batch is considered to be any quantity of alcohol, homogeneous in terms of quality, one shipment date and accompanied by one quality document.
The document must contain:
name of the manufacturer and its trademark; name and brand or grade of product; party number, number of seats in the party; amount of alcohol in deciliters or gross and net mass; date of manufacture;
results of analyzes or confirmation of product quality compliance with the requirements of this standard;
quality document number;
designation of this standard;
"Flammable" sign.
When transporting alcohol in railway and road tanks, each tank is considered a batch.
2.2. To check the quality of ethyl alcohol for compliance with the requirements of this standard, an alcohol sample is taken from each tank or dispensing measure. The manufacturer is allowed to take a sample from a commercial storage tank, and when determining the volume fraction of ethyl alcohol, a sample is taken from each railway tank.
From a batch of alcohol in barrels, bottles or cans, 10% of the units of production are selected, but not less than three.
The manufacturer determines the specific volumetric electrical resistance periodically at the request of consumers.
2.3. If unsatisfactory analysis results are obtained for at least one of the indicators, a repeat analysis is carried out on a double sample taken from the same batch, or on a double number of samples from the tank. The results of the re-analysis apply to the entire batch.
3. METHODS OF ANALYSIS
3.1. Sampling methods
3.1.1. A point sample from a tank or storage tank is taken with a portable metal sampler in accordance with GOST 2517 in equal parts from three levels: top, middle and bottom.
It is permissible to use a sampler of a different design.
A point sample is taken from the dispensing measuring cup using sampling taps. In the absence of taps, the sample is taken in the same way as from a tank. A sample is taken from barrels, bottles and cans with a clean glass tube, immersing it to the bottom.
The volume of a spot sample is at least 200 cm3.
3.1.2. Selected spot samples are combined together, thoroughly mixed, and the combined sample in a volume of at least 2 dm 3 is placed in two clean bottles with ground stoppers, previously rinsed with the same alcohol, with a capacity of 1 dm 3. The necks of the bottles are wrapped in a piece of fabric or cellophane and tied with twine, the ends of which are sealed or sealed with a wax seal on a cardboard or wooden plate. Labels with the name of the manufacturer, the name of the product, the batch number, the date and place of sampling, the designation of the standard, and the name of the sampler are affixed to the bottles with the combined sample.
One of the bottles is sent for analysis to the laboratory, the other is stored for two months in case of disagreement in assessing the quality of the product.
3.2. Determination of mass concentration of aldehydes in anhydrous alcohol
In this case, a standard alcohol solution is used with a mass concentration of acetaldehyde of 4 mg in 1 dm 3 of anhydrous alcohol for the “Extra” and premium grade, 10 mg in 1 dm 3 of anhydrous alcohol for the first grade.
3.3. Determination of the mass concentration of fusel oil in anhydrous alcohol
The determination is carried out according to GOST 5964, section. 2.
In this case, standard alcohol solutions of a mixture of higher alcohols are used: 4 mg of acetaldehyde and 4 mg of fusel oil in 1 dm 3 of anhydrous alcohol for the “Extra” and premium grade, 10 mg of acetaldehyde and 15 mg of fusel oil in 1 dm 3 of anhydrous alcohol - for the first grade.
3.4. Test for methyl alcohol
The determination is carried out according to GOST 5964, section. 2.
In this case, a standard alcohol solution with a volume fraction of methyl alcohol of 0.05% is used.
Technical rectified ethyl alcohol meets the requirements of this standard if the color of the analyzed solution is weaker than the color of the standard alcohol solution or the same as it.
3.5. Determination of mass concentration of dry residue
Determination is carried out according to GOST 10749.9
In this case, it is allowed to use quartz evaporation bowls in accordance with GOST 19908 or platinum bowls in accordance with GOST 6563.
3.6. Determination of specific volumetric electrical resistance
3.6.1. Equipment, reagents and solutions
Conductivity meter type MMZCH-04 or similar type.
Thermostat.
A set of sensors for conductometric measurements, type UK-02/1 (two-electrode sensor with a smooth platinum surface and a constant of no more than 0.5 cm -1).
Distilled water according to GOST 6709 with a specific electrical conductivity of no more than 2 10 6 Ohm -1 cm -1 or equivalent purity with the same electrical conductivity.
Potassium chloride according to GOST 4234, twice recrystallized, concentration c (KS1) = 0.001 mol/dm 3 (0.001 n.).
3.6.2. Determination of the sensor constant
A solution of potassium chloride is poured into the measuring vessel so that the electrodes are completely covered with it, thermostated at a temperature of (20 + 0.1) °C for at least 15 minutes and the resistance of this solution is measured.
3.6.3. Processing the results
The sensor constant (K), cm -1, is calculated using the formula
where a is the specific electrical conductivity of a 0.001 mol/dm 3 solution of potassium chloride, equal to 0.000128 Ohm -1 cm -1 at 20 °C, Ohm -1 cm -1 ;
R is the resistance of the potassium chloride solution, Ohm.
3.6.4. Carrying out analysis
The sensors and measuring vessel are thoroughly washed with distilled water and the alcohol being analyzed, then filled with the same alcohol.
Measurement of specific volumetric electrical resistance is carried out as indicated in i. 3.6.2.
3.6.5. Processing the results
Specific volumetric electrical resistance (p v), Ohm cm, is calculated using the formula
where R is the resistance of the alcohol being analyzed, Ohm;
K is the sensor constant, cm -1.
The result of the analysis is taken as the arithmetic mean of the results of two parallel determinations, the relative value of the discrepancy between them does not exceed the value of the permissible discrepancy equal to 5%.
The limits of the permissible relative total error of the analysis result are + 3% with a confidence probability of P = 0.95.
4. TRANSPORTATION AND STORAGE
4.1. Transportation of ethyl alcohol by rail is carried out in accordance with the rules for the transportation of dangerous goods and liquid cargo in bulk in tank cars and bunker gondola cars.
Transportation of ethyl alcohol in barrels, bottles and flasks by road and in bulk in tank trucks is carried out in accordance with the rules for the transportation of goods in force for this type of transport.
4.2. Technical rectified ethyl alcohol is stored in warehouses in specially equipped metal containers intended for it in accordance with the rules for acceptance, storage, dispensing, transportation and accounting of ethyl alcohol, approved in the prescribed manner.
It is allowed to store technical rectified ethyl alcohol in warehouses intended for storing flammable products, in the manufacturer's packaging.
INFORMATION DATA
1. DEVELOPED AND INTRODUCED by the Ministry of Medical and Microbiological Industry of the USSR
2. APPROVED AND ENTERED INTO EFFECT by Resolution of the USSR State Committee on Standards dated June 26, 1987 No. 2705
3. INSTEAD GOST 18300-72
4. REFERENCE REGULATIVE AND TECHNICAL DOCUMENTS
|
Number of paragraph, subparagraph |
|
|
GOST 12.1.007-76 | |
|
GOST 12.1.044-89 | |
|
GOST 2517-85 | |
|
GOST 2991-85 | |
|
GOST 3639-79 | |
|
GOST 4234-77 | |
|
GOST 5037-97 | |
|
GOST 5964-93 |
1.2.2, 3.2, 3.3, 3.4 |
|
GOST 6247-79 | |
|
GOST 6563-75 | |
|
GOST 6709-72 | |
|
GOST 10749.4-80 | |
|
GOST 10749.7-80 | |
|
GOST 10749.9-80 | |
|
GOST 12082-82 | |
|
GOST 13950-91 | |
|
GOST 14192-96 | |
|
GOST 19433-88 | |
|
GOST 19908-90 | |
|
OST 6-09-108-85 |
5. The validity period was lifted according to Protocol No. 7-95 of the Interstate Council for Standardization, Metrology and Certification (IUS 11-95)
6. REPUBLICATION. January 2007
Reprint (as of April 2008)
Editor R.G. Goverdovskaya Technical editor V.N. Prusakova Corrector M.V. Buchnaya Computer layout A.N. Zolotareva
Signed for publication on June 10, 2008. Format bОхвД 1 /^ Offset paper. Times typeface. Offset printing. Uel. oven l. 0.93. Academic ed. l. 0.72. Circulation 94 copies. Zach. 706.
FSUE "STANDARTINFORM", 123995 Moscow, Granatny per., 4. Typed into FSUE "STANDARTINFORM" on a PC
Printed in the branch of FSUE "STANDARTINFORM" - type. "Moscow Printer", 105062 Moscow, Lyalin lane, 6.
TECHNICAL TASK
for the supply of rectified technical ethyl alcohol _________________________________________________________
(“Extra” GOST 18300-87 or A GOST R51999-2002 with amendment 1)
Customer: Federal State Unitary Enterprise "Central Research Institute of Structural Materials "Prometheus"
1. Place, conditions and terms of delivery of the Goods
1.1. The Supplier delivers the Goods to the Customer at the address: Leningrad Region, Gatchina, st. 120th Gatchina Division, no. 29.
1.2. Delivery of the Goods, as well as loading and unloading operations for the delivery of the Goods, is carried out by and at the expense of the Supplier without additional payment.
1.3. Delivery of the Goods is carried out in batches based on the Customer’s request within ________________ business days from the date of payment for the batch of ordered Goods by the Customer based on the invoice issued by the Supplier.
The minimum batch volume of the Goods is 65 decalitres.
Delivery frequency is once a quarter.
1.4. In accordance with the requirements of Article 9 of the Federal Law of January 1, 2001. “On state regulation of the production and circulation of ethyl alcohol, alcoholic and alcohol-containing products and on limiting the consumption (drinking) of alcoholic products” The customer, within two calendar days from the date of payment of the invoice, notifies the interregional Department of the Federal Service for Alcohol Regulation in the North-West region about the purchase of each batch of ethyl alcohol in the manner and in accordance with the forms approved by Order of the Federal Service for Regulation of the Alcohol Market No. 42 of 01.01.2001.
1.5. The Supplier is obliged to notify the Customer by telephone or fax of the delivery of the Goods no later than one business day in advance.
2. Payment procedure for the Goods
2.1. The Customer makes payments to the Supplier in the following order: The Customer makes a 100% prepayment for each batch of Goods in accordance with the application within 10 (ten) banking days based on the invoice issued by the Supplier.
3. Requirements for the quality and safety of the Product
3.1. The quality of the supplied Products must comply with the requirements of the current legislation of the Russian Federation, and the Products must have the necessary certificates of conformity, quality, safety, etc.
3.3. All Products supplied must be new, that is, not previously used, not refurbished or assembled from refurbished components, and provide the functionality intended by the manufacturer.
3.4. All supplied Products must meet the quality requirements
GOST 18300-87 (Rectified technical ethyl alcohol GOST 18300-87 grade “Extra”) or GOST R51999-2002 with amendment 1 (Rectified and denatured ethyl technical synthetic alcohol grade A).
3.5. The Supplier guarantees the proper quality of the supplied Goods, compliance with GOSTs, availability of a License for the transportation of ethyl alcohol (including denatured alcohol), bulk alcohol-containing products with an ethyl alcohol content of more than 25 percent of the volume of finished products, certificates, technical passports and other documents certifying quality.
3.6. The guaranteed shelf life of the Product is 1 year from the date of its manufacture.
4. Requirements for containers, packaging and labeling of the Product
4.1. The goods are delivered by road in accordance with the Rules for the carriage of goods in force for this type of transport, as well as in accordance with the Instructions for the acceptance, storage, release, transportation and accounting of ethyl alcohol, approved by the USSR Ministry of Food Industry on September 25, 1985.
4.2. The goods are delivered in tank trucks of the Supplier, which are returned to him. After delivery, the Customer pours the Goods into his own container. Tankers for transporting alcohol must be in good working order, with devices for applying seals in places where there may be access to alcohol, and have the inscription “Flammable” in accordance with GOST 12.4.026-76 “System of occupational safety standards, signal colors and safety signs” .
4.3. Each delivered batch of Goods must be accompanied by a quality document containing:
Name of the manufacturer and its trademark;
Name and brand or grade of product;
Batch number;
The amount of alcohol in deciliters or gross and net weight;
Date of manufacture;
Results of analyzes performed or confirmation of product quality compliance with GOST requirements;
Quality document number;
The inscription "Flammable".
4.4. Acceptance of the Goods is carried out by the Customer in accordance with the instructions for acceptance, storage, release, transportation and accounting of ethyl alcohol, approved by the USSR Ministry of Food Industry dated 01/01/2001.
5. List, description, characteristics and quantity (volume) of the supplied Goods
No. | Name of product | Product quality characteristics | Unit measured | Qty |
|||||||||||||||||||||||||
Rectified ethyl alcohol technical GOST 18300-87 Brand "Extra" or Technical synthetic ethyl alcohol, rectified and denatured, grade A GOST R51999-2002 with amendment 1 | Rectified technical ethyl alcohol GOST 18300-87 brand “Extra” Specifications Appearance: transparent, colorless liquid without foreign particles, with a characteristic odor of ethyl alcohol, no odor of foreign substances. Volume fraction of ethyl alcohol - not less than 96.2%; Oxidation test - at least 17 minutes; Mass concentration of aldehydes in anhydrous alcohol - no more than 10 mg/dm3; Mass concentration of fusel oil in anhydrous alcohol - no more than 10 mg/dm3; Mass concentration of acids in terms of acetic acid in anhydrous alcohol - no more than 15 mg/dm3; Volume fraction of methyl alcohol - no more than 0.05%; Test for furfural – absent; Mass concentration of alkali in terms of NaOH – absent; Mass fraction of diethyl phthalate - not less than 0.08%. | ||||||||||||||||||||||||||||
|
Technical synthetic ethyl alcohol, rectified and denatured, grade A GOST R51999-2002 with amendment 1 Specifications Appearance: colorless transparent liquid without mechanical impurities. Odor: characteristic odor of rectified alcohol without the odor of foreign substances
|
Responsible executor
Rectified technical ethyl alcohol, GOST 18300-87
Chemical industry. GOST 18300-87 - Rectified technical ethyl alcohol. Technical conditions. OKS: Chemical industry, Organic chemicals. GOST standards. Rectified technical ethyl alcohol. .... class=text>
GOST 18300-87
Rectified technical ethyl alcohol. Specifications
GOST 18300-87
Group L25
INTERSTATE STANDARD
RECTIFIED TECHNICAL ETHYL ALCOHOL
Specifications
Technical rectified ethyl alcohol. Specifications
MKS 71.080.60
OKP 91 8213 2000
Date of introduction 1988-07-01
INFORMATION DATA
1. DEVELOPED AND INTRODUCED by the Ministry of Medical and Microbiological Industry of the USSR
2. APPROVED AND ENTERED INTO EFFECT by Resolution of the USSR State Committee on Standards dated June 26, 1987 N 2705
3. INSTEAD GOST 18300-72
4. REFERENCE REGULATIVE AND TECHNICAL DOCUMENTS
Number of paragraph, subparagraph |
|
GOST 12.1.007-76 | |
GOST 12.1.044-89 | |
GOST 2517-85 | |
GOST 2991-85 | |
GOST 3639-79 | |
GOST 4234-77 | |
GOST 5037-97 | |
GOST 5964-93 | 1.2.2, 3.2, 3.3, 3.4 |
GOST 6247-79 | |
GOST 6563-75 | |
GOST 6709-72 | |
GOST 10749.4-80 | |
GOST 10749.7-80 | |
GOST 10749.9-80 | |
GOST 12082-82 | |
GOST 13950-91 | |
GOST 14192-96 | |
GOST 19433-88 | |
GOST 19908-90 | |
OST 6-09-108-85 |
5. The validity period was lifted according to Protocol N 7-95 of the Interstate Council for Standardization, Metrology and Certification (IUS 11-95)
6. REPUBLICATION. January 2007
Reprint (as of April 2008)
This standard applies to technical ethyl rectified alcohol produced from non-edible plant materials. The “Extra” brand product is intended for use as a solvent and for other purposes. Technical ethyl rectified alcohol of the highest and first grades is used as a raw material for the production of chemical products.
The technical level indicators established by this standard for the “Extra” and premium grades are provided for the highest quality category.
1. TECHNICAL REQUIREMENTS
1. TECHNICAL REQUIREMENTS
1.1. Technical ethyl rectified alcohol must be manufactured in accordance with the requirements of this standard according to technological regulations approved in the prescribed manner.
1.2. Characteristics
1.2.1. Depending on the degree of purification, rectified technical ethyl alcohol is produced in the “Extra” grade and in two grades: premium and first.
1.2.2. In terms of physical and chemical indicators, technical ethyl rectified alcohol must meet the requirements and values specified in the table.
Indicator name | Meaning | Method of analysis |
||
first | ||||
“Extra” brand | premium | |||
1. Appearance | Transparent, colorless liquid without foreign particles | According to GOST 5964* |
||
2. Smell | Characteristic of rectified ethyl alcohol, without the odor of foreign substances | According to GOST 5964* |
||
3. Volume fraction of ethyl alcohol, %, not less | According to GOST 3639 |
|||
4. Test for purity | Must stand the test | According to GOST 5964* |
||
5. Test for oxidation, min, not less | According to GOST 5964* |
|||
6. Mass concentration of aldehydes in anhydrous alcohol, mg/dm, no more | According to GOST 5964*, section 2, and according to clause 3.2 of this standard |
|||
7. Mass concentration | According to GOST 5964*, |
|||
8. Mass concentration of acids in terms of acetic acid in anhydrous alcohol, mg/dm, no more | According to GOST 5964* |
|||
9. Mass concentration of esters in anhydrous alcohol, mg/dm, no more | According to GOST 5964*, section 2 |
|||
10. Test for methyl alcohol | Must stand the test | According to GOST 5964*, |
||
11. Test for furfural | Absent | According to GOST 5964* |
||
12. Mass concentration of dry residue, mg/dm, no more | According to GOST 10749.9 and according to clause 3.5 of this |
|||
13. Mass concentration of sulfur, mg/dm, no more | Absent | According to GOST 10749.7 |
||
14. Mass concentration of alkali in terms of NaOH, mg/dm, no more | Absent | According to GOST 10749.4 |
||
15. Specific volume | Not defined | |||
________________
* On the territory of the Russian Federation, GOST R 51710-2000**, GOST R 52473-2005 (hereinafter) are in force.
**Probably an error in the original. Should read: GOST R 51710-2001. - Database manufacturer's note.
Notes:
1. Only “Extra” grade alcohol is intended for the electronics industry.
2. The mass concentration of sulfur is determined only in alcohol obtained by processing a mixture of hydrolytic and sulfite alcohols.
1.2.3. Ethyl alcohol, in terms of the degree of impact on the human body, belongs to the 4th hazard class according to GOST 12.1.007.
The maximum permissible concentration (MPC) of ethyl alcohol vapor in the air of the working area of industrial premises is 1000 mg/m.
1.2.4. Ethyl alcohol is a colorless, flammable liquid. Flash point - not less than 13 °C, auto-ignition temperature - not less than 404 °C, concentration limits of flame spread: lower - 3.6%, upper - 19% (by volume). Temperature limits for flame propagation of saturated alcohol vapor in the air: lower - 11 °C, upper - 41 °C. Category and group of explosive mixture of ethyl alcohol with air - IIA-T2. The determination is carried out according to GOST 12.1.044.
1.2.5. Tanks, process equipment, pipelines and unloading devices associated with the reception, storage and movement of ethyl alcohol must be protected from static electricity in accordance with the rules for protection against static electricity, approved in the prescribed manner.
Electrical equipment must be explosion-proof.
1.2.6. In emergency conditions with an increased concentration of ethyl alcohol in the air, as well as in case of fire, you should use personal respiratory protection equipment - filtering gas masks of grade A or BKF.
1.2.7. Fire extinguishing agents: sprayed water, sand, asbestos blanket, all types of fire extinguishers.
1.2.8. When working with ethyl alcohol, you should wear special clothing in accordance with industry standards.
1.3. Marking
1.3.1. Transport marking - according to GOST 14192.
1.3.2. The following additional data is applied to each barrel of product:
batch number, number of seats in the batch and their numbers;
date of manufacture;
danger signs according to GOST 19433, group code 3252;
the inscription "Flammable";
amount of alcohol in deciliters;
designation of this standard.
Railroad tanks must be marked with warning signs “Flammable” and “Poisonous”, as well as a stencil.
1.4. Package
1.4.1. Technical ethyl rectified alcohol is poured into specially prepared railway and road tanks. It is allowed to pack alcohol in hermetically sealed barrels in accordance with GOST 13950 and GOST 6247, bottles in accordance with OST 6-09-108 or metal flasks in accordance with GOST 5037, FL version.
Bottles with alcohol must be placed in board crates in accordance with GOST 12082, board boxes in accordance with GOST 2991 or similar types, filled with loose cushioning material.
1.4.2. The degree (level) of filling of tanks and barrels is calculated taking into account the full use of their capacity (carrying capacity) and volumetric expansion of the product with a possible temperature difference along the route.
2. ACCEPTANCE
2.1. Technical rectified ethyl alcohol is taken in batches. A batch is considered to be any quantity of alcohol, homogeneous in terms of quality, one shipment date and accompanied by one quality document.
The document must contain:
name of the manufacturer and its trademark;
name and brand or grade of product;
party number, number of seats in the party;
amount of alcohol in deciliters or gross and net mass;
date of manufacture;
results of analyzes or confirmation of product quality compliance with the requirements of this standard;
quality document number;
designation of this standard;
"Flammable" sign.
When transporting alcohol in railway and road tanks, each tank is considered a batch.
2.2. To check the quality of ethyl alcohol for compliance with the requirements of this standard, an alcohol sample is taken from each tank or dispensing measure. The manufacturer is allowed to take a sample from a commercial storage tank, and when determining the volume fraction of ethyl alcohol, a sample is taken from each railway tank.
From a batch of alcohol in barrels, bottles or cans, 10% of the units of production are selected, but not less than three.
The manufacturer determines the specific volumetric electrical resistance periodically at the request of consumers.
2.3. If unsatisfactory analysis results are obtained for at least one of the indicators, a repeat analysis is carried out on a double sample taken from the same batch, or on a double number of samples from the tank. The results of the re-analysis apply to the entire batch.
3. METHODS OF ANALYSIS
3.1. Sampling methods
3.1.1. A point sample from a tank or storage tank is taken with a portable metal sampler in accordance with GOST 2517 in equal parts from three levels: top, middle and bottom.
It is permissible to use a sampler of a different design.
A point sample is taken from the dispensing measuring cup using sampling taps. In the absence of taps, the sample is taken in the same way as from a tank. A sample is taken from barrels, bottles and cans with a clean glass tube, immersing it to the bottom.
The volume of a spot sample is at least 200 cm3.
3.1.2. Selected spot samples are combined together, mixed thoroughly and the combined sample in a volume of at least 2 dm is placed in two clean bottles with ground-in stoppers with a capacity of 1 dm, pre-rinsed with the same alcohol. The necks of the bottles are wrapped in a piece of fabric or cellophane and tied with twine, the ends of which are sealed or sealed with a wax seal on a cardboard or wooden plate. Labels with the name of the manufacturer, the name of the product, the batch number, the date and place of sampling, the designation of the standard, and the name of the sampler are affixed to the bottles with the combined sample.
One of the bottles is sent for analysis to the laboratory, the other is stored for two months in case of disagreement in assessing the quality of the product.
3.2. Determination of mass concentration of aldehydes in anhydrous alcohol
In this case, a standard alcohol solution is used with a mass concentration of acetaldehyde of 4 mg in 1 dm of anhydrous alcohol for the “Extra” and premium grades, 10 mg in 1 dm of anhydrous alcohol for the first grade.
3.3. Determination of the mass concentration of fusel oil in anhydrous alcohol
The determination is carried out according to GOST 5964, section 2.
In this case, standard alcohol solutions of a mixture of higher alcohols are used: 4 mg of acetaldehyde and 4 mg of fusel oil in 1 dm of anhydrous alcohol for the “Extra” and premium grades, 10 mg of acetaldehyde and 15 mg of fusel oil in 1 dm of anhydrous alcohol - for the first grade varieties.
3.4. Test for methyl alcohol
The determination is carried out according to GOST 5964, section 2.
In this case, a standard alcohol solution with a volume fraction of methyl alcohol of 0.05% is used.
Technical rectified ethyl alcohol meets the requirements of this standard if the color of the analyzed solution is weaker than the color of the standard alcohol solution or the same as it.
3.5. Determination of mass concentration of dry residue
The determination is carried out according to GOST 10749.9.
In this case, it is allowed to use quartz evaporation bowls in accordance with GOST 19908 or platinum bowls in accordance with GOST 6563.
3.6. Determination of specific volumetric electrical resistance
3.6.1. Equipment, reagents and solutions
Conductivity meter type MMZCH-04 or similar type.
Thermostat.
A set of sensors for conductometric measurements, type UK-02/1 (two-electrode sensor with a smooth platinum surface and a constant of no more than 0.5 cm).
Distilled water according to GOST 6709 with a specific electrical conductivity of no more than 2·10 Ohm·cm or equivalent purity with the same electrical conductivity.
Potassium chloride according to GOST 4234, twice recrystallized, concentration c=0.001 mol/dm (0.001 n.).
3.6.2. Determination of the sensor constant
The potassium chloride solution is poured into the measuring vessel so that the electrodes are completely covered with it, thermostated at a temperature of (20±0.1) °C for at least 15 minutes and the resistance of this solution is measured.
3.6.3. Processing the results
Sensor constant ,
cm, calculated by the formula
where is the specific electrical conductivity of a 0.001 mol/dm solution of potassium chloride, equal to 0.000128 Ohm cm at 20 °C, Ohm cm;
- resistance of potassium chloride solution, Ohm.
3.6.4. Carrying out analysis
The sensors and measuring vessel are thoroughly washed with distilled water and the alcohol being analyzed, then filled with the same alcohol.
Measurement of specific volumetric electrical resistance is carried out as indicated in paragraph 3.6.2.
3.6.5. Processing the results
Specific volumetric electrical resistance, Ohm cm, is calculated using the formula
where is the resistance of the analyzed alcohol, Ohm;
- sensor constant, see
The result of the analysis is taken as the arithmetic mean of the results of two parallel determinations, the relative value of the discrepancy between them does not exceed the value of the permissible discrepancy equal to 5%.
The limits of the permissible relative total error of the analysis result are ±3% with a confidence probability of 0.95.
4. TRANSPORTATION AND STORAGE
4.1. Transportation of ethyl alcohol by rail is carried out in accordance with the rules for the transportation of dangerous goods and liquid cargo in bulk in tank cars and bunker gondola cars.
Transportation of ethyl alcohol in barrels, bottles and flasks by road and in bulk in tank trucks is carried out in accordance with the rules for the transportation of goods in force for this type of transport.
4.2. Technical rectified ethyl alcohol is stored in warehouses in specially equipped metal containers intended for it in accordance with the rules for acceptance, storage, dispensing, transportation and accounting of ethyl alcohol, approved in the prescribed manner.
It is allowed to store technical ethyl rectified ethyl alcohol in warehouses intended for storing flammable products in the manufacturer's packaging.