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GB 1886.28-2016 English PDF

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GB 1886.28-2016: Food additive -- Sodium D-isoascorbate
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GB 1886.28-2016English119 Add to Cart 3 days [Need to translate] Food additive -- Sodium D-isoascorbate Valid GB 1886.28-2016

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Basic data

Standard ID GB 1886.28-2016 (GB1886.28-2016)
Description (Translated English) Food additive -- Sodium D-isoascorbate
Sector / Industry National Standard
Classification of Chinese Standard X42
Word Count Estimation 6,628
Date of Issue 2016-08-31
Date of Implementation 2017-01-01
Older Standard (superseded by this standard) GB 8273-2008
Regulation (derived from) Announcement of the State Administration of Public Health and Family Planning 2016 No.11
Issuing agency(ies) National Health and Family Planning Commission of the People's Republic of China, State Food and Drug Administration

GB 1886.28-2016: Food additive -- Sodium D-isoascorbate

---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.
(Food safety national standard - Food additive - Sodium d-erythorbate) National Standards of People's Republic of China GB 1886.293-2016 National Food Safety Standard Food additives Hydroxyethyl 4-methylthiazole 5- Issued on. 2016-08-31 2017-01-01 implementation People's Republic of China National Health and Family Planning Commission released GB 1886.293-2016 National Food Safety Standard Food additives Hydroxyethyl 4-methylthiazole 5-

1 Scope

This standard applies to food by the 2-acetyl-butyrolactone -γ- and carbon disulfide, or by the thiocarboxamide and bromoacetyl-propanol as raw materials obtained Additives 5- Hydroxyethyl 4-methylthiazole. 2 chemical name, molecular formula, molecular mass and structural formula 2.1 Chemical Name Methyl-5-thiazole ethanol Formula 2.2 C6H9NOS 2.3 formula 2.4 relative molecular mass 143.21 (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 status Colorless to pale yellow, turn brown when aging Viscous oily liquid The sample was placed in a cuvette, were visually observed Aroma beef, nut-like aroma GB/T 14454.2 3.2 Physical and Chemical Indicators Physical and chemical indicators should be consistent with the provisions of Table 2. GB 1886.293-2016 Table 2. Physical and chemical indicators Item Index Test Method Hydroxyethyl 4-methylthiazole-5- content, w /% ≥ 98.0 Appendix A Acid value (in dollars KOH)/(mg/g) ≤ 3.0 GB/T 14455.5 Refractive index (20 ℃) 1.540 ~ 1.556 GB/T 14454.4 The relative density (25 ℃/25 ℃) 1.196 ~ 1.210 GB/T 11540 GB 1886.293-2016

Appendix A

5- hydroxyethyl Determination of the content of 4-methylthiazole 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 According to GB/T 11538-2006 provisions in 11.4, shall comply with the requirements. Food Additives 5- hydroxyethyl 4-methylthiazole gas chromatograph and operating conditions, see Appendix B. GB 1886.293-2016

Appendix B

Food additives 5- Hydroxyethyl 4-methylthiazole and operating conditions of a gas chromatograph (Area normalization method) B.1 food additives Hydroxyethyl 4-methylthiazole-5- gas chromatogram Food additives Hydroxyethyl 4-methylthiazole-5- gas chromatography is shown in Figure B.1. Figure B.1 food additives Hydroxyethyl 4-methylthiazole-5- gas chromatogram B.2 operating conditions B.2.1 Column. capillary column length 30m, an inner diameter of 0.50mm. B.2.2 stationary phase. (5% phenyl) -95% dimethylpolysiloxane. B.2.3 film thickness. 0.50μm. B.2.4 chromatography oven temperature. 170 ℃ constant temperature 10min, then a linear temperature program from 170 ℃ to 200 ℃, the rate of 10 ℃/min, and finally 200 ℃ constant temperature 15min. B.2.5 Inlet temperature. 250 ℃. B.2.6 detector temperature. 260 ℃. B.2.7 Detector. Hydrogen flame ionization detector. B.2.8 carrier gas. nitrogen. B.2.9 carrier gas flow rate. pre-column pressure 50kPa. B.2.10 Injection volume. 0.2μL. B.2.11 split ratio. 30.1.

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