GB 1886.294-2016 English PDF

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GB 1886.294-2016: National Food Safety Standard -- Food Additives - 2-acetyl thiazole
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB 1886.294-2016	109	Add to Cart	2 days	National Food Safety Standard -- Food Additives - 2-acetyl thiazole	Valid

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Basic data

Standard ID: GB 1886.294-2016 (GB1886.294-2016)
Description (Translated English): National Food Safety Standard -- Food Additives - 2-acetyl thiazole
Sector / Industry: National Standard
Classification of Chinese Standard: X40
Word Count Estimation: 5,543
Date of Issue: 2016-08-31
Date of Implementation: 2017-01-01
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 1886.294-2016: National Food Safety Standard -- Food Additives - 2-acetyl thiazole

---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 - 2-acetylthiazole) National Standards of People's Republic of China National Food Safety Standard Food additives 2-acetyl thiazole Published 2016-08-31 2017-01-01 implementation People's Republic of China National Health and Family Planning Commission issued National Food Safety Standard Food additives 2-acetyl thiazole

1 Scope

This standard applies to halogenation from 2-thiazole as starting material was obtained food additive 2-acetyl thiazole. 2 Chemical name, molecular formula, structural formula and relative molecular mass 2.1 Chemical Name 2-acetyl thiazole Formula 2.2 C5H5NOS 2.3 formula 2.4 Molecular Weight 127.17 (according to 2007 international relative atomic mass)

3 Technical requirements

3.1 Sensory requirements Sensory requirements shall comply with the requirements in Table 1. Table 1 Sensory requirements Project requires test methods Color status Colorless to pale yellow Oily liquid The sample was placed in a cuvette, were visually observed Aroma of cocoa, hazelnut, popcorn, bread-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. Table 2. Physical and chemical indicators Item Index Test Method 2-acetyl-thiazol-content, w /% ≥ 98.0 Appendix A Refractive index (20 ℃) 1.542 ~ 1.552 GB/T 14454.4 Relative density (25 ℃/25 ℃) 1.219 ~ 1.228 GB/T 11540

Appendix A

Determination of 2-acetyl-thiazol-content A.1 instruments and equipment A.1.1 Chromatography. in GB/T 11538-2006 specified in Chapter 5. A.1.2 Column. capillary column. A.1.3 Detector. hydrogen flame ionization detector. A.2 Determination Area normalization method. Press the GB/T 11538-2006 Determination 10.4. A.3 repeatability and results are expressed 11538-2006 carried out in accordance with the provisions of 11.4 GB/T , should meet the requirements. Food additives 2-acetyl-thiazol-by gas chromatography and the operating conditions of FIG see Appendix B.

Appendix B

Food additives 2-acetyl-thiazol-by gas chromatography and the operating conditions of FIG. (Area normalization method) B.1 food additives 2-acetyl-thiazol-GC FIG. Food additives 2-acetyl-thiazol-gas chromatography is shown in Figure B.1. Figure B.1 food additives 2-acetyl-thiazol-GC FIG. B.2 operating conditions B.2.1 Column. capillary column, length 30m, internal diameter 0.25mm. B.2.2 stationary phase. polyethylene glycol 20000. B.2.3 film thickness. 0.25μm. B.2.4 chromatographic oven temperature. 150 ℃ thermostat 10min, then linear temperature programmed from 150 deg.] C to 200 ℃, a rate of 10 ℃/min, and finally 200 ℃ thermostat 10min. B.2.5 Inlet temperature. 250 ℃. B.2.6 detector temperature. 250 ℃. B.2.7 Detector. hydrogen flame ionization detector. B.2.8 Carrier gas. nitrogen. B.2.9 carrier gas flow rate. head pressure 60kPa. B.2.10 Injection volume. about 0.2μL. B.2.11 split ratio. 100.1. ......

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