GB 5009.225: Historical versions
| Standard ID | USD | BUY PDF | Lead-Days | Standard Title (Description) | Status |
| GB 5009.225-2023 | RFQ |
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3 days
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(National food safety standards Determination of ethanol concentration in wine and edible alcohol)
| Valid |
| GB 5009.225-2016 | 1310 |
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National Food Safety Standard -- Determination of ethanol concentration
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Basic data
Standard ID: GB 5009.225-2023 (GB5009.225-2023)
Description (Translated English): (National food safety standards Determination of ethanol concentration in wine and edible alcohol)
Sector / Industry: National Standard
Classification of Chinese Standard: X09
Word Count Estimation: 186,143
Date of Issue: 2023-09-06
Date of Implementation: 2024-03-06
Issuing agency(ies): National Health Commission of the People's Republic of China, State Administration for Market Regulation
Summary: This standard specifies the method for determination of ethanol concentration (alcohol content) in wine and edible alcohol. The first method density bottle method is suitable for the determination of ethanol concentration (alcohol content) in wine and edible alcohol. The second alcohol meter method is suitable for the determination of ethanol concentration (alcohol content) in wine (except beer) and edible alcohol. The third method gas chromatography is suitable for the determination of ethanol concentration (alcohol content) in beer, wine and fruit wine. The fourth method, the U-shaped oscillating tube digital density meter method, is suitable for the determination of ethanol concentration (alcohol content) in wine and edible alcohol.
GB 5009.225-2023: (National food safety standards Determination of ethanol concentration in wine and edible alcohol)
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
National Standards of People's Republic of China
National food safety standards
Determination of ethanol concentration in wine and edible alcohol
Published on 2023-09-06
Implemented on 2024-03-06
National Health Commission of the People's Republic of China
Released by the State Administration for Market Regulation
Foreword
This standard replaces GB 5009.225-2016 "National Food Safety Standard Determination of Ethanol Concentration in Wine".
Compared with GB 5009.225-2016, the main changes in this standard are as follows.
---The name of the standard is modified to "National Food Safety Standard Determination of Ethanol Concentration in Wine and Edible Alcohol";
---Modify the scope of application and some contents of the density bottle method;
---Modify the scope of application and some contents of the Alcohol Meter Law;
---Modified the instrument conditions and some contents of gas chromatography;
---Modified the method name, scope of application and some contents of the digital density meter method;
---Modified Appendix A;
---Modified Appendix B;
---Added Appendix C.
National food safety standards
Determination of ethanol concentration in wine and edible alcohol
1 Scope of application
This standard specifies the method for determination of ethanol concentration (alcohol content) in wine and edible alcohol.
The first method density bottle method is suitable for the determination of ethanol concentration (alcohol content) in wine and edible alcohol.
The second alcohol meter method is suitable for the determination of ethanol concentration (alcohol content) in wine (except beer) and edible alcohol.
The third method gas chromatography is suitable for the determination of ethanol concentration (alcohol content) in beer, wine and fruit wine.
The fourth method, the U-shaped oscillating tube digital density meter method, is suitable for the determination of ethanol concentration (alcohol content) in wine and edible alcohol.
The first density bottle method
2 Principles
Use the distillation method to remove non-volatile substances in the sample, and use the density bottle method to measure the density of the sample (alcohol aqueous solution) at 20°C.
Consult the comparison table between the density of alcohol aqueous solution and ethanol concentration (alcohol content) to find the ethanol concentration (alcohol content) at 20°C.
3 Reagents and materials
The water is grade three water specified in GB/T 6682.
4 Instruments and equipment
4.1 Analytical balance. sensitivity 0.0001g.
4.2 All-glass still. 500mL.
4.3 Constant temperature water bath. temperature control accuracy ±0.1℃.
4.4 Density bottle with thermometer. 25mL or 50mL.
4.5 Volumetric flask. 100mL.
5 analysis steps
5.1 Sample handling
5.1.1 Preparation of carbonated wine samples
After keeping the clean, dry 100mL volumetric flask and sample at 20°C, accurately measure 100mL of the sample into a 500mL distillation bottle.
, rinse the volumetric flask with 50mL of water three times, merge the washing liquid into the 500mL distilling flask, add a few zeolites (or glass beads), and connect the serpentine condenser
tube, use the original volume bottle used for sampling as the receiver (plus an ice bath), turn on the cooling water (the cooling water temperature should be lower than 15°C), slowly heat and steam
Distill and collect the distillate. When it is close to the mark, remove the volumetric flask, cap and keep it in a 20°C water bath for 30 minutes, then add water (20°C) to the mark.
degree, mix well, and set aside.
......
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