GB 1886.50-2015 English PDFUS$149.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB 1886.50-2015: National Food Safety Standard -- Food Additives -- Methyl-3-mercapto-furan Status: Valid
Basic dataStandard ID: GB 1886.50-2015 (GB1886.50-2015)Description (Translated English): National Food Safety Standard -- Food Additives -- Methyl-3-mercapto-furan Sector / Industry: National Standard Classification of Chinese Standard: X44 Classification of International Standard: 71.100.60 Word Count Estimation: 7,720 Date of Issue: 2015-09-22 Date of Implementation: 2016-03-22 Older Standard (superseded by this standard): GB 23487-2009 Regulation (derived from): PRC National Health and Family Planning Commission 2015 No.8 Issuing agency(ies): National Health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 1886.50-2015: National Food Safety Standard -- Food Additives -- Methyl-3-mercapto-furan---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 methyl-3-mercapto-furan) National Standards of People's Republic of China National Food Safety Standard Food additive methyl-3-mercapto-furyl Issued on. 2015-09-22 2016-03-22 implementation People's Republic of China National Health and Family Planning Commission released ForewordThis standard replaces GB 23487-2009 "Food additive methyl-3-furan thiol." This standard compared with GB 23487-2009, the main changes are as follows. --- Standard name was changed to "national food safety standards for food additives methyl-3-mercapto furan." National Food Safety Standard Food additive methyl-3-mercapto-furyl1 ScopeThis standard applies to 2-methyl furan and thioacetic acid as raw materials by a chemical reaction of a food additive methyl-3-mercapto-furan (Also known as 2-methyl-furan thiol). 2 chemical name, molecular formula, molecular mass and structural formula 2.1 Chemical Name Methyl-3-mercapto-2-methyl-furan or furan thiol Formula 2.2 C5H6OS 2.3 formula 2.4 relative molecular mass 114.16 (according to 2007 international relative atomic mass)3 Technical requirements3.1 Sensory requirements Sensory requirements shall comply with the requirements of Table 1. Table 1 Sensory requirements Project requires test methods Pale pink to pale orange color Liquid state The sample was placed in a cuvette, were visually observed Aroma of barbecue 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 3-mercapto-2-methyl-furan content, w /% ≥ 97.0 Appendix A Refractive index (20 ℃) 1.5090 ~ 1.5300 GB/T 14454.4 The relative density (25 ℃/25 ℃) 1.100 ~ 1.150 GB/T 11540Appendix ADetermination of 3-mercapto-2-methyl-furan Content 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 additive methyl-3-mercapto furan gas chromatograph (area normalization method) See Appendix B.Appendix BFood additive methyl-3-mercapto-furyl gas chromatogram (Area normalization method) Food additives B.1 3-mercapto-2-methyl-furan-gas chromatogram Food additive methyl-3-mercapto-furan-by gas chromatography is shown in Figure B.1. Explanation. 1 --- 3-mercapto-2-methyl furan; 2 --- bis (2-methyl-3-furyl) disulfide. Figure B.1 food additive methyl-3-mercapto-furyl gas chromatogram B.2 operating conditions B.2.1 Column. capillary column length 30m, an inner diameter of 0.32mm. B.2.2 stationary phase. 5% phenyl, 95% dimethylpolysiloxane. B.2.3 film thickness. 0.50μm. B.2.4 chromatography oven temperature. 80 ℃ constant temperature 2min; then linear temperature programmed from 80 ℃ ~ 220 ℃, the rate of 20 ℃/min; and finally 220 ℃ constant temperature 10min. B.2.5 Inlet temperature.200 ℃. B.2.6 detector temperature. 220 ℃. B.2.7 Detector. Hydrogen flame ionization detector. B.2.8 carrier gas. nitrogen. B.2.9 carrier gas flow rate. 4mL/min. B.2.10 Injection volume. about 0.2μL. B.2.11 Split ratio. 100.1. 5102- 05 6881 ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB 1886.50-2015_English be delivered?Answer: Upon your order, we will start to translate GB 1886.50-2015_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of GB 1886.50-2015_English with my colleagues?Answer: Yes. The purchased PDF of GB 1886.50-2015_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.Question 3: Does the price include tax/VAT?Answer: Yes. 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