GB 1886.51-2015 English PDF

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GB 1886.51-2015: National Food Safety Standard -- Food Additives - 2, 3-butanedione
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB 1886.51-2015	149	Add to Cart	3 days	National Food Safety Standard -- Food Additives - 2, 3-butanedione	Valid

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Basic data

Standard ID: GB 1886.51-2015 (GB1886.51-2015)
Description (Translated English): National Food Safety Standard -- Food Additives - 2, 3-butanedione
Sector / Industry: National Standard
Classification of Chinese Standard: X44
Classification of International Standard: 71.100.60
Word Count Estimation: 7,758
Date of Issue: 2015-09-22
Date of Implementation: 2016-03-22
Older Standard (superseded by this standard): GB 23488-2009
Regulation (derived from): PRC National Health and Family Planning Commission 2015 No.8
Issuing agency(ies): National Health and Family Planning Commission of the People's Republic of China

GB 1886.51-2015: National Food Safety Standard -- Food Additives - 2, 3-butanedione

---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 food safety standards for food additives 2, 3-butanedione) National Standards of People's Republic of China National Food Safety Standard Food additives 2,3-butanedione Issued on. 2015-09-22 2016-03-22 implementation People's Republic of China National Health and Family Planning Commission released

Foreword

This standard replaces GB 23488-2009 "Food Additives 2,3-butanedione." This standard compared with GB 23488-2009, the main changes are as follows. --- Standard name was changed to "national food safety standards for food additives 2,3-butanedione." National Food Safety Standard Food additives 2,3-butanedione

1 Scope

This standard applies to chemical synthesis of food additives 2,3-butanedione (also known as diacetyl or diacetyl). 2 chemical name, molecular formula, molecular mass and structural formula 2.1 Chemical Name 2,3-butanedione Formula 2.2 C4H6O2 2.3 formula 2.4 relative molecular mass 86.09 (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 Yellow to yellow-green color Liquid state The sample was placed in a cuvette, were visually observed With a strong aroma of butter aroma GB/T 14454.2 in very dilute solutions 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 2,3-butanedione content, w /% ≥ 98.0 Appendix A Refractive index (20 ℃) 1.3920 ~ 1.3980 GB/T 14454.4 The relative density (25 ℃/25 ℃) 0.978 ~ 0.988 GB/T 11540 NOTE. Food additives 2,3-butanedione storage temperature should be < 18 ℃.

Appendix A

Determination of the content of 2,3-butanedione 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 butanedione gas chromatograph (area normalization method) See Appendix B.

Appendix B

Food Additives butanedione gas chromatogram (Area normalization method) B.1 food additive 2,3-butanedione gas chromatogram Food Additives butanedione gas chromatography is shown in Figure B.1. Figure B.1 food additive 2,3-butanedione gas chromatogram B.2 operating conditions B.2.1 Column. capillary column length 50m, 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. 150 ℃ constant temperature. 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. Before B.2.9 column pressure. 60kPa. B.2.10 Injection volume. about 0.2μL. B.2.11 Split ratio. 100.1. 5102- 15􀏕 6881 ......

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