GB 1886.121-2015National Food Safety Standard -- Food Additives -- Butyric acid (English PDF)
食品安全国家标准 食品添加剂 丁酸
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Issued by
National Health and Family Planning Commission of the People's Republic of China
Level / Type
National · Mandatory
Issue date
September 22, 2015
Implementation date
March 22, 2016
Scope
GB 1886.121-2015 is the English-translated version of 食品安全国家标准 食品添加剂 丁酸.
GB 1886.121-2015 — This standard applies to butyraldehyde or butanol as raw materials by a chemical reaction of acid food additive.
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Document preview — GB 1886.121-2015
National Standard of the People's Republic of China
- ICS
- 67.220.20
- Classification
- X 40
Issued by: National Health and Family Planning Commission of the People's Republic of China
Contents
- 1 Scope
- 2 Chemical name, molecular formula, molecular mass and structural formula
- 2.1 Chemical Name
- 2.3 Formula
- 2.4 Relative molecular mass
- 3 Technical requirements
- 3.1 Sensory requirements
- 3.2 Physical and Chemical Indicators
1 Scope
This standard applies to butyraldehyde or butanol as raw materials by a chemical reaction of acid food additive.
2 Chemical name, molecular formula, molecular mass and structural formula
2.1 Chemical Name
Butyric acid
Formula 2.2
C4H8O2
2.3 Formula
2.4 Relative molecular mass
88.11 (according to 2007 international relative atomic mass)
3 Technical requirements
3.1 Sensory requirements
Sensory requirements shall comply with the requirements of Table 1.
Table 1 Sensory requirements
Project requires test methods Color colorless Liquid state the sample was placed in a cuvette, were visually observed with a strong aroma of butter-like aroma, with a rancid flavor GB/T 14454.2
3.2 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 Acid content, w /% >= 99.0 Appendix A Refractive index (20 °C) 1.3970 ~ 1.3990 GB/T 14454.4 the relative density (25 °C/25 °C) 0.952 ~ 0.960 GB/T 11540 Heavy metals (Pb)/(mg/kg) <= 10.0 GB 5009.74 Appendix A Determination of acid content A.1 instruments and equipment A.1.1 chromatograph. According to GB/T 11538-2006 provisions in Chapter 5.
A.1.2 Column. capillary column.
A.1.3 Detector. Hydrogen flame ionization detector.
A.2 Determination
Area normalization method. According to GB/T 11538-2006 10.4 Determination.
A.3 repeatability and results are shown Performed according to GB/T 11538-2006 11.4 provisions.
Food Additives acid gas chromatograph (area normalization method) See Appendix B.
Appendix B
Acid food additive gas chromatogram (Area normalization method) B.1 acid food additive gas chromatogram Food Additives acid gas chromatography is shown in Figure B.1.
Figure B.1 food additive acid gas chromatogram
B.2 operating conditions B.2.1 Column. capillary column length 30m, an inner diameter of 0.25mm.
B.2.2 stationary phase. polyethylene glycol.
B.2.3 film thickness. 0.25µm.
B.2.4 chromatography oven temperature. linear temperature program from 100 °C ~ 160 °C, the rate of 5 °C/min; then linear temperature program from 160 °C ~ 240 °C, rate of 10 °C/min.
B.2.5 Inlet temperature. 250 °C.
B.2.6 detector temperature. 250 °C.
B.2.7 Detector. Hydrogen flame ionization detector.
B.2.8 carrier gas. nitrogen.
B.2.9 carrier gas flow rate. 1mL/min.
B.2.10 Injection volume. about 0.2µL.
B.2.11 Split ratio. 100.1.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 5 pages — is available in the English PDF.
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