GB 1886.128-2015 English PDF

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GB 1886.128-2015: National Food Safety Standard -- Food Additives -- Methyl cyclopentenolone (also known as 3-methyl-2-hydroxy-2-ene-1-one)
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB 1886.128-2015	129	Add to Cart	3 days	National Food Safety Standard -- Food Additives -- Methyl cyclopentenolone (also known as 3-methyl-2-hydroxy-2-ene-1-one)	Valid

Similar standards

GB 1886.140 GB 1886.210 GB 1886.300 GB 1886.129 GB 1886.127 GB 1886.119

Basic data

Standard ID: GB 1886.128-2015 (GB1886.128-2015)
Description (Translated English): National Food Safety Standard -- Food Additives -- Methyl cyclopentenolone (also known as 3-methyl-2-hydroxy-2-ene-1-one)
Sector / Industry: National Standard
Classification of Chinese Standard: X40
Word Count Estimation: 6,669
Date of Issue: 2015-09-22
Date of Implementation: 2016-03-22
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 1886.128-2015: National Food Safety Standard -- Food Additives -- Methyl cyclopentenolone (also known as 3-methyl-2-hydroxy-2-ene-1-one)

---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 cyclopentenolone (aka 3-methyl-2-hydroxy-2-ene-1-one) National Standards of People's Republic of China National standards for food safety Food additives methyl cyclopentenol ketone (Also known as 3-methyl-2-hydroxy-2-cyclopenten-1-one) 2015-09-22 released 2016-03-22 Implementation People's Republic of China National Health and Family Planning Commission released National standards for food safety Food additives methyl cyclopentenol ketone (Also known as 3-methyl-2-hydroxy-2-cyclopenten-1-one)

1 Scope

This standard applies to methyl furan and formaldehyde and dimethylamine as raw materials by chemical reaction of the food additives methyl cyclopentenol ketone (Also known as 3-methyl-2-hydroxy-2-cyclopenten-1-one). 2 chemical name, molecular formula, structural formula and relative molecular mass 2.1 Chemical name 3-methyl-2-hydroxy-2-cyclopenten-1-one or 3-methylcyclopentane-1,2-dione 2.2 Molecular formula C6H8O2 2.3 Structural formula 2.3.1 3-methyl-2-hydroxy-2-cyclopenten-1-one 2.3.2 3-methylcyclopentane-1,2-dione 2.4 Relative molecular mass 112.13 (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 white State crystalline powder Place the sample on a clean white paper and observe it visually Aroma with nuts fragrance, diluted with maple - licorice - 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 g Samples were dissolved in 5 mL of 90% by volume ethanol. GB/T 14455.3 Methyl cyclopentenolone content, w /% ≥ 95.0 Appendix A Melting range/℃ 104.0 ~ 108.0 GB/T 14457.3 Heavy metals (Pb)/(mg/kg) ≤ 10.0 GB 5009.74 Arsenic (As)/(mg/kg) ≤ 3.0 GB 5009.11 or GB 5009.76

Appendix A

Determination of methyl cyclopentenolone content A.1 Instruments and equipment A.1.1 Chromatograph. according to GB/T 11538-2006 or GB/T 11539-2008 in Chapter 5 of the provisions. A.1.2 Column. Capillary column or packed column. A.1.3 Detector. Hydrogen flame ionization detector. A.2 Determination method Area normalization method. according to GB/T 11538-2006 or GB/T 11539-2008 10.4 determination of content. Preparation of the sample. Weigh the sample 1g dissolved in 10mL 95% (volume fraction) of ethanol, shake back. A.3 repeatability and result representation According to GB/T 11538-2006 or GB/T 11539-2008 11.4 provisions. Food additive Methyl cyclopentenolone Gas chromatogram (area normalization method) See Appendix B.

Appendix B

Food additive - methyl cyclopentenolone gas chromatogram (Area normalization method) B.1 Food additive Methyl cyclopentenolone Gas chromatogram Food additives methyl cyclopentenolone gas chromatogram shown in Figure B.1. Description. 1 --- Ethanol (solvent); 2 --- methyl cyclopentenolone. Figure B.1 Gas chromatogram of food additives methyl cyclopentenolone B.2 Operating conditions B.2.1 column. packed column, length 2m ~ 3m, diameter 3mm ~ 4mm. B.2.2 fixed phase. polyethylene glycol, 5% to 10% coated with pickling, dimethyldichlorosilane treatment of 180μm ~ 250μm (60 mesh ~ 80 mesh) on white body. B.2.3 chromatographic furnace temperature. linear program temperature from 80 ℃ ~.200 ℃, the rate of 2 ℃/min. B.2.4 Inlet temperature..200 ° C. B.2.5 Detector temperature..200 ° C. B.2.6 Detector. Hydrogen flame ionization detector. B.2.7 Carrier gas. nitrogen. B.2.8 Carrier gas flow rate. 20 mL/min to 30 mL/min. B.2.9 Injection volume. 1 μL. ......

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Question 1: How long will the true-PDF of GB 1886.128-2015_English be delivered?

Answer: Upon your order, we will start to translate GB 1886.128-2015_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 1886.128-2015_English with my colleagues?

Answer: Yes. The purchased PDF of GB 1886.128-2015_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. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.