Search Result of Chinese Standard: 'GB 31640-2016'
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Edible alcohol
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GB 31640-2016
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| GB 31640-2016 | Chinese | 16 |
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Detail Information of GB 31640-2016; GB31640-2016
Description (Translated English): Edible alcohol
Sector / Industry: National Standard
Classification of Chinese Standard: X09
Date of Issue: 2016-12-23
Date of Implementation: 2017-06-23
Older Standard (superseded by this standard): GB 10343-2008 Partial
Regulation (derived from): National Health and Family Planning Commission Notice No.17 of 2016
GB 31640-2016
Edible alcohol
National Standards of People's Republic of China
National Food Safety Standard
Consumption of alcohol
Published 2016-12-23
2017-06-23 implementation
National Health and Family Planning Commission People's Republic of China
China Food and Drug Administration issued
Foreword
This standard replaces GB 10343-2008 some indicators "alcohol consumption" in, GB 10343-2008 relates to this "alcohol consumption" in
Standard indicators subject to this standard.
National Food Safety Standard
Consumption of alcohol
1 Scope
This standard applies to the consumption of alcohol.
2 Terms and Definitions
2.1 consumption of alcohol
Cereals, potatoes, molasses, or other edible crops as raw materials, refined by fermentation, distillation, for use in the food industry
Aqueous alcohol.
3 Technical requirements
3.1 Requirements for raw materials
Raw materials shall comply with relevant product standards and regulations.
3.2 Sensory requirements
Sensory requirements shall comply with the requirements in Table 1.
Table 1 Sensory requirements
Project requires test methods
Appearance colorless transparent
Proper amount of sample is placed in a beaker, and the color was observed under natural light state, it should be transparent,
No normal vision visible foreign matter
Have inherent odor of alcohol aroma, the same olfactory
Appliances stoppered cylinders sample taken 10mL, add water 15mL, stoppered, and mix. Pour 50mL
A small beaker, smell it
The taste of pure, slightly sweet, no smell
Sample taken in 20mL 50mL volumetric flask, add water 30mL, mixed, then poured into
100mL beaker and placed in a water bath at 20 ℃, until its thermostat product taste
3.3 Physical and Chemical Indicators
Physical and chemical indicators should be consistent with the provisions of Table 2.
Table 2. Physical and chemical indicators
Item Index Test Method
Alcohol /% vol ≥ 95.0 GB 5009.225
Aldehydes (acetaldehyde meter)/(mg/L) ≤ 30 Appendix A
TABLE 2 (cont.)
Item Index Test Method
Methanol/(mg/L) ≤ 150 GB 5009.266
Cyanide a (in terms HCN)/(mg/L) ≤ 5 GB 5009.36
only applies to a cassava-based products.
3.4 pollutant limit
Pollutant limits shall conform to Table 3.
Table 3 pollutant limit
Item limit test method
Lead (Pb)/(mg/kg) 1.0 GB 5009.12
4 Other
4.1 Packaging
4.1.1 shipment consumption of alcohol should be dedicated tanks, tankers and stainless steel barrels, not aluminum or galvanized bucket packaging containers, should not be used without making
Antistatic treatment vessel. Before packing, to deal with the strict safety, health inspection vessel.
4.1.2 After filling the tank, tankers should add seals. When using the unit receipt, check the seal is intact.
4.1.3 In vitro packaging should be clean, clearly visible labels, label sticking firmly.
4.2 Transport
4.2.1 means of transport should be clean, sanitary, and should not be toxic, harmful, corrosive or smelly items mixed mixed operation.
4.2.2 Handling Handle gently, non Throwing, impact and severe shock, away from heat and fire.
4.2.3 The transport process should fire, explosion-proof, anti-static, lightning, non-exposure.
4.3 Storage
4.3.1 product should not be toxic, hazardous, corrosive or smell of articles stored mixing.
4.3.2 The product should be stored in a cool, dry, ventilated environment, should be protected from heat and fire, static electricity, lightning facilities. Should be in the reservoir region
There are eye-catching "no fire" warning signs.
Appendix A
Determination of aldehyde alcohol consumption
A.1 Iodimetry
A.1.1 Principle
Sodium bisulfite and an aldehyde to addition reaction α- hydroxy sulfonate, the reaction is:
Oxidation with iodine excess of sodium bisulfite, the reaction is:
NaHSO3 I2 H2O → NaHSO4 2HI
Plus excess NaHCO3, that the decomposition of the adduct, again liberated aldehyde, the reaction is:
Standard titration with iodine released from the decomposition of sodium bisulfite.
A.1.2 Reagents and solutions
A.1.2.1 sodium hydrogen sulfite solution (12g/L).
A.1.2.2 hydrochloric acid solution [c (HCl) = 0.1mol/L]: prepared according to GB/T 601.
A.1.2.3 iodine standard solution [C (
2I2
) = 0.1mol/L]: according to GB/T 601 and calibration formulations.
Iodine Titration solution A.1.2.4 [C (
2I2
) = 0.01mol/L]: the use of the 10-fold diluted accurate 0.1mol/L iodine standard solution.
A.1.2.5 starch indicator solution (10g/L): according to GB/T 603 is formulated.
A.1.2.6 sodium bicarbonate solution [c (NaHCO3) = 1mol/L].
A.1.3 Analysis step
Iodine in 250mL 15.0mL sample suction flask, add 15mL water, 15mL sodium bisulfite solution, 7 mL of hydrochloric acid solution, shake
Homogenized, placed in the dark IH, removed, rinsed with 50mL of water cork, standard iodine titration, close to the end, add starch indicator solution
0.5mL, instead Iodine Titration solution was titrated to bluish purple color (not counting). Sodium bicarbonate solution was added 20mL, ajar stopper, shaken
0.5min (colorless), and continue the titration to a blue-violet endpoint for standard titration with iodine solution. At the same time a blank test.
A.1.4 calculation results
Aldehyde content in the samples according to the formula (A.1) is calculated:
X =
(V1-V2) × c × 0.022
15 × 10
6 (A.1)
Where:
Aldehyde content (in terms of acetaldehyde), in units of milligrams per liter (mg/L) X --- sample;
Vl --- volume of sample consumed Iodine Titration solution, in milliliters (mL);
Blank --- consumption volume V2 Iodine Titration solution, in milliliters (mL);
C --- iodine concentration standard titration solution in units of moles per liter (mol/L);
--- 0.022 and 1.00mL using standard iodine solution [C (
2I2
) Mass = 1.000mol/L] corresponding to acetaldehyde, expressed in grams.
The results held until integers.
A.1.5 precision
Independent of the difference measurement values obtained in the two under repeatability conditions, if the aldehyde content> 5mg/L, not more than 5% of the average; if aldehyde-containing
Amount ≤5mg/L, not more than 13% of the average.
A.2 colorimetry
A.2.1 Principle
When the magenta of the aldehyde and sulfurous acid, an addition reaction, after rearrangement, loss of sulfite, generating purple shape having a quinone structure
Substance, which is proportional to the color depth and aldehyde content.
A.2.2 Reagents and solutions
A.2.2.1 sodium bisulfite solution (53%): Weigh 53.0g sodium bisulfite (NaHSO3), was dissolved in 100mL of water.
A.2.2.2 sulfate: a density of 1.84g/cm3.
A.2.2.3 fuchsin - sulfite stain: Weigh 0.075g fuchsin dissolved in a little water and 80 deg.] C, cooled, diluted with water to about
75 mL, transferred to 1L brown narrow-mouth bottle, add 50mL freshly prepared sodium bisulfite solution was added 500mL of water and 7.5mL of sulfuric acid, shake
Absorbed, the solution is placed 10h ~ 12h to discoloration and has a strong odor of sulfur dioxide, stored in a refrigerator.
A.2.2.4 aldehyde standard solution (1g/L): Weigh accurately acetaldehyde ammonia 0.1386g (by acetaldehyde: ammonia = 1:1.386 acetaldehyde) was dissolved in 10 deg.] C rapidly
Left and right reference ethanol (aldehyde-alcohol) and dilute to 100mL. Into a brown reagent bottle and stored in a refrigerator.
Aldehyde using standard solution A.2.2.5: lessons acetaldehyde standard solution 0.30mL, 0.50mL, 0.80mL, 1.00mL, 1.50mL,
2.00mL, 2.50mL and 3.00 mL, respectively, 100mL volumetric flask. Ethanol has a reference portion (aldehyde-alcohol) in, and with reference
Ethanol diluted to the mark. I.e. aldehyde content were 3mg/L, 5mg/L, 8mg/L, 10mg/L, 15mg/L, 20mg/L, 25mg/L
And ......
Related standard: GB 31644-2018 |