Path: Home > GB > Page23 > GB 1886.287-2016

Price & Delivery

US$119.00 · In stock · Download in 9 seconds
GB 1886.287-2016: National Food Safety Standard -- Food Additives -- Ethyl Isovalerate
Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure
Status: Valid

Std ID	Version	USD	Buy	Deliver [PDF] in	Title (Description)
GB 1886.287-2016	English	119	Add to Cart	3 days [Need to translate]	National Food Safety Standard -- Food Additives -- Ethyl Isovalerate

GB 1886.287-2016: National Food Safety Standard -- Food Additives -- Ethyl 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 - Ethyl isovalerate) National Standards of People's Republic of China National Food Safety Standard Ethyl isovalerate food additives Published 2016-08-31 2017-01-01 implementation People's Republic of China National Health and Family Planning Commission issued National Food Safety Standard Ethyl isovalerate food additives

1 Scope

This standard applies to isovalerate ethanol for raw materials and food additive ethyl isovalerate. 2 Chemical name, molecular formula, structural formula and relative molecular mass 2.1 Chemical Name Ethyl 3-methylbutanoate, ethyl 2-methylbutyrate Formula 2.2 C7H14O2 2.3 formula Ethyl 3-methylbutanoate, ethyl 2-methylbutyrate 2.4 Molecular Weight 130.19 (according to 2007 international relative atomic mass)

3 Technical requirements

3.1 Sensory requirements Sensory requirements shall comply with the requirements in Table 1. Table 1 Sensory requirements Project requires test methods Color status colorless liquid The sample was placed in a cuvette, visually Was observed After dilution with a Qiang Lie aroma of fruit, wine, 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 Ethyl isovalerate content, w /% ≥ 98.0 (sum of two isomers) Appendix A Acid number (as KOH)/(mg/g) ≤ 2.0 GB/T 14455.5 Refractive index (20 ℃) 1.395 ~ 1.399 GB/T 14454.4 Relative density (25 ℃/25 ℃) 0.862 ~ 0.866 GB/T 11540

Appendix A

Determination of the content of ethyl isovalerate A.1 instruments and equipment A.1.1 Chromatography. in GB/T 11538-2006 specified in Chapter 5. A.1.2 Column. capillary column. A.1.3 Detector. hydrogen flame ionization detector. A.2 Determination Area normalization method. Press the GB/T 11538-2006 Determination 10.4. A.3 repeatability and results are expressed 11538-2006 carried out in accordance with the provisions of 11.4 GB/T , should meet the requirements. Food additive gas chromatogram of ethyl isovalerate and operating conditions see Appendix B.

Appendix B

Ethyl isovalerate food additive gas chromatography and the operating conditions of FIG. (Area normalization method) B.1 ethyl isovalerate food additive gas chromatogram Ethyl isovalerate food additive gas chromatography is shown in Figure B.1. Description. . 1 --- ethyl 2-methylbutyrate; 2 --- 3-methylbutanoate. Figure B.1 ethyl isovalerate food additive gas chromatogram B.2 operating conditions B.2.1 Column. capillary column, length 50m, diameter 0.2mm. B.2.2 stationary phase. polyethylene glycol 20000. B.2.3 film thickness. 0.2μm. B.2.4 chromatographic oven temperature. 80 ℃. 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 before the column pressure. 138kPa. B.2.10 Injection volume. 0.2μL. B.2.11 split ratio. 100.1. ...