GB 1886.28-2016 English PDF

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

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB 1886.28-2016	119	Add to Cart	3 days	Food additive -- Sodium D-isoascorbate	Valid

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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Older Standard (superseded by this standard): GB 8273-2008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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