GB 1886.203-2016 English PDFUS$119.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB 1886.203-2016: National Food Safety Standard -- Food Additives -- Isoamyl Isovalerate Status: Valid
Basic dataStandard ID: GB 1886.203-2016 (GB1886.203-2016)Description (Translated English): National Food Safety Standard -- Food Additives -- Isoamyl Isovalerate Sector / Industry: National Standard Classification of Chinese Standard: X40 Word Count Estimation: 6,654 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 1886.203-2016: National Food Safety Standard -- Food Additives -- Isoamyl Isovalerate---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 - Isopentyl isovalerate) National Standards of People's Republic of China National standards for food safety Food Additives Isoamyl isovalerate 2016-08-31 released 2017-01-01 Implementation People's Republic of China National Health and Family Planning Commission released National standards for food safety Food Additives Isoamyl isovalerate 1 ScopeThis standard applies to isovaleric acid and isoamyl alcohol as raw materials by chemical reaction of the food additive isoamyl isovalerate. 2 chemical name, molecular formula, structural formula and relative molecular mass 2.1 Chemical name 3-methylbutyl 3-methylbutyrate, 3-methylbutyl 2-methylbutyrate, 2-methylbutyl 3-methylbutyrate 2.2 Molecular formula C10H20O2 2.3 Structural formula 3-Methyl Butyrate 3-Methyl Butyl 2-Methyl Butyric Acid 3-Methyl Butyl 3-Methyl Butyric Acid 2-Methyl Butyl 2.4 Relative molecular mass 172.27 (according to the.2007 International Relative Atomic Quality)3 technical requirements3.1 sensory requirements Sensory requirements shall comply with the requirements of Table 1. Table 1 sensory requirements The project requires a test method Color and colorless State liquid The sample was placed in a colorimetric tube and visually observed Aroma fragrance, apple - 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 Solubility (25 ° C) 1 mL The sample is fully dissolved in 10 mL of 70% by volume ethanol. GB/T 14455.3 Isoamyl isovalerate content, w /% ≥ 98.0 (sum of three isomers) Appendix A Acid value (in KOH)/(mg/g) ≤ 2.0 GB/T 14455.5 Refractive index (20 ° C) 1.411 ~ 1.414 GB/T 14454.4 Relative density (25 ℃/25 ℃) 0.851 ~ 0.857 GB/T 11540Appendix ADetermination of isoamyl isovalerate content A.1 Instruments and equipment A.1.1 chromatograph. according to GB/T 11538-2006 in Chapter 5 of the provisions. A.1.2 Column. Capillary column. A.1.3 Detector. Hydrogen flame ionization detector. A.2 Determination method Area normalization method. according to GB/T 11538-2006 10.4 determination of content. A.3 repeatability and result representation According to GB/T 11538-2006 11.4 provisions, should meet the requirements. Food additives and isoamyl isovalerate are shown in Appendix B for gas chromatograms and operating conditions.Appendix BFood additives - Isoamyl isovalerate Gas chromatograms and operating conditions (Area normalization method) B.1 Food additive isopentyl isovalerate Gas chromatogram Food additive isopentyl isovalerate Gas chromatogram shown in Figure B.1. Description. 1 - 2 - methyl butyrate 3 - methyl butyl ester; 2 - 3 - methyl butyrate 3 - methyl butyrate; 3 --- 3-methyl butyrate 2-methylbutyl ester. Figure B.1 Food additive Isovalerate isovalerate Gas chromatogram B.2 Operating conditions B.2.1 Column. capillary column, length 30m, inner diameter 0.45mm. B.2.2 Stationary phase. 100% dimethylpolysiloxane. B.2.3 Film thickness. 2.55 μm. B.2.4 Chromatographic furnace temperature. linear program temperature from 75 ℃ to 180 ℃, the rate of 3 ℃/min. B.2.5 Inlet temperature. 210 ° C. B.2.6 Detector temperature. 210 ° C. B.2.7 Detector. Hydrogen flame ionization detector. B.2.8 Carrier gas. nitrogen. B.2.9 Pre-column pressure. 35 kPa. B.2.10 Injection volume. 0.2 μL. B.2.11 Split ratio. 30. 1. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB 1886.203-2016_English be delivered?Answer: Upon your order, we will start to translate GB 1886.203-2016_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 1886.203-2016_English with my colleagues?Answer: Yes. 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