GB 29975-2013 English PDF

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GB 29975-2013: Food additive -- Difurfuryl disulfide
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB 29975-2013	189	Add to Cart	3 days	Food additive -- Difurfuryl disulfide	Valid

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Basic data

Standard ID: GB 29975-2013 (GB29975-2013)
Description (Translated English): Food additive -- Difurfuryl disulfide
Sector / Industry: National Standard
Classification of Chinese Standard: C53
Classification of International Standard: 67.020
Word Count Estimation: 8,859
Regulation (derived from): China Food & Drug Administration [2013] No. 234, November, 1, 2013
Issuing agency(ies): National Health and Family Planning Commission of the People's Republic of China
Summary: This standard applies to food additives: Difurfuryl disulfide.

GB 29975-2013: Food additive -- Difurfuryl disulfide

---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 additive-Difurfuryl disulfide National Standards of People's Republic of China National Food Safety Standard Food additives difurfuryl disulfide Issued on. 2013-11-29 2014-06-01 implementation National Food Safety Standard Food additives difurfuryl disulfide

1 Scope

This standard applies to the furfuryl mercaptan for raw materials of food additive titanium furfuryl disulfide. 2 chemical name, molecular formula, molecular mass and structural formula 2.1 Chemical Name Difurfuryl disulfide Formula 2.2 C10H10O2S2 2.3 formula SS 2.4 relative molecular mass 226.31 (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 pale yellow (long home easily become red sauce) than the sample is placed inside the color tube, were visually observed State oily liquid aroma With sulfur breath, after dilution with a strong aroma of baking, barbecue Incense, incense nuts 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 Two-furfuryl disulfide content, w /% ≥ 96.0 Appendix A Refractive index (20 ℃) 1.585 ~ 1.598 GB/T 14454.4 The relative density (25 ℃/25 ℃) 1.229 ~ 1.248 GB/T 11540

Appendix A

Determination of titanium content of furfuryl disulfide 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 additive titanium furfuryl disulfide gas chromatograph (area normalization method) See Appendix B.

Appendix B

Food additive titanium furfuryl disulfide gas chromatogram (Area normalization method) B.1 food additive titanium furfuryl disulfide gas chromatogram Figure B.1. Figure B.1 food additive titanium furfuryl disulfide gas chromatogram B.2 operating conditions B.2.1 Column. capillary column, length 30 m, an inner diameter of 0.53 mm. B.2.2 stationary phase. 5% diphenyl-95% dimethylpolysiloxane. B.2.3 film thickness. 1.5 μm. B.2.4 chromatography oven temperature.200 ℃ 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. B.2.9 pre-column pressure. 20 kPa. B.2.10 Injection volume. about 0.2 μL. B.2.11 split ratio. 100︰1. ......

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