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GB 1886.203-2016 English PDF

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GB 1886.203-2016: National Food Safety Standard -- Food Additives -- Isoamyl Isovalerate
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GB 1886.203-2016English119 Add to Cart 3 days [Need to translate] National Food Safety Standard -- Food Additives -- Isoamyl Isovalerate Valid GB 1886.203-2016

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Basic data

Standard 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 Scope

This 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 requirements

3.1 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 11540

Appendix A

Determination 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 B

Food 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.

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