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GB 28364-2012 English PDF

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GB 28364-2012: The food additive -- 2-methyl -2-pentenoic acid (strawberry acid)
Status: Valid

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
GB 28364-2012	English	139	Add to Cart	3 days [Need to translate]	The food additive -- 2-methyl -2-pentenoic acid (strawberry acid)	Valid	GB 28364-2012

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Basic data

Standard ID	GB 28364-2012 (GB28364-2012)
Description (Translated English)	The food additive -- 2-methyl -2-pentenoic acid (strawberry acid)
Sector / Industry	National Standard
Classification of Chinese Standard	C54;X40
Classification of International Standard	67.220.20
Word Count Estimation	6,679
Regulation (derived from)	Ministry of Health Bulletin 2012 No. 7
Issuing agency(ies)	Ministry of Health of the People's Republic of China
Summary	This Chinese standard applies to propionaldehyde or butyraldehyde as raw materials and malonic acid for raw materials for food Additive 2 methyl-2 pentenoic acid (strawberry acid).

GB 28364-2012: The food additive -- 2-methyl -2-pentenoic acid (strawberry acid)

---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.
The food additive.2 - methyl - 2 - pentenoic acid (strawberry acid) National Standards of People's Republic of China National standards for food safety Food additive 2-methyl-2-pentenoic acid (strawberry acid) 2012-04-25 release 2012-06-25 Implementation Issued by the Ministry of Health of the People's Republic of China National standards for food safety Food additive 2-methyl-2-pentenoic acid (strawberry acid)

1 Scope

This standard applies to propanal as raw materials or n-butyraldehyde and malonic acid as raw materials prepared by the food additive 2-methyl-2-pentenoic acid (strawberry acid). 2 chemical name, molecular formula, structural formula and relative molecular mass 2.1 Chemical name 2-methyl-2-pentenoic acid 2.2 Molecular formula C6H10O2 2.3 Structural formula 2.4 Relative molecular mass 114.14 (according to the.2007 International Relative Atomic Quality)

3 technical requirements

3.1 sensory requirements. should be consistent with the provisions of Table 1. Table 1 sensory requirements The project requires a test method Color colorless to pale yellow State liquid or solid Place the sample in a colorimetric tube with a visual method Observed Fragrance Fragrance GB/T 14454.2 3.2 Physical and chemical indicators. should be consistent with the provisions of Table 2. Table 2 Physical and chemical indicators Item Index Test Method 2-methyl-2-pentenoic acid content, w /% ≥ 98.0 Appendix A Refractive index (20 ° C) 1.450 ~ 1.460 GB/T 14454.4 Relative density (25 ℃/25 ℃) 0.976 ~ 0.982 GB/T 11540

Appendix A

Determination of 2 - methyl - 2 - pentenoic acid 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 implementation of the provisions. Food additive 2-methyl-2-pentenoic acid Typical gas chromatogram (area normalization) See Appendix B.

Appendix B

Food additive 2-methyl-2-pentenoic acid Typical gas chromatogram (Area normalization method) B.1 Food additive 2-methyl-2-pentenoic acid Typical gas chromatogram Food additives 2-methyl-2-pentenoic acid Typical gas chromatograms are shown in Figure B.1. Figure B.1 Food additive 2-methyl-2-pentenoic acid Typical gas chromatogram B.2 Operating conditions B.2.1 Column. capillary column, length 30m, inner diameter 0.32mm. B.2.2 Stationary phase. (5% phenyl) methylpolysiloxane. B.2.3 Film thickness. 0.25 μm. B.2.4 Chromatographic furnace temperature. 180 ℃ constant temperature. B.2.5 Inlet temperature. 250 ° C. B.2.6 Detector temperature. 250 ° C. B.2.7 Detector. Hydrogen flame ionization detector. B.2.8 Carrier gas. nitrogen. B.2.9 Carrier gas flow rate. about 30 mL/min. B.2.10 Injection volume. 0.2 μL. B.2.11 Split ratio. 1/75.

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