GB/T 23296.19-2009 English PDF

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GB/T 23296.19-2009: Food contact materials -- Polymer -- Determination of vinyl acetate in food simulants -- Gas chromatography
Status: Obsolete

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 23296.19-2009	439	Add to Cart	3 days	Food contact materials -- Polymer -- Determination of vinyl acetate in food simulants -- Gas chromatography	Obsolete

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Basic data

Standard ID: GB/T 23296.19-2009 (GB/T23296.19-2009)
Description (Translated English): Food contact materials -- Polymer -- Determination of vinyl acetate in food simulants -- Gas chromatography
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: C53
Classification of International Standard: 67.250
Word Count Estimation: 10,140
Date of Issue: 2009-03-31
Date of Implementation: 2009-09-01
Quoted Standard: GB/T 6682; GB/T 23296.1-2009
Regulation (derived from): National Standard Approval Announcement 2009 No.3 (Total No.143)
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the method for the determination of food simulants vinyl acetate. This standard applies to water, 3% (mass concentration) acetic acid, determination of vinyl acetate content of 10% (volume fraction) ethanol solution and olive oil are four food simulants acid. Water, determination of 3% (mass concentration) solution of acetic acid and 10% (volume fraction) ethanol solution of three water-based food simulants vinyl acetate lower limit of 2. 4mg/L, the determination of vinyl acetate in olive oil lower limit of 2. 4mg/kg.

GB/T 23296.19-2009: Food contact materials -- Polymer -- Determination of vinyl acetate in food simulants -- Gas chromatography

---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 contact materials. Polymer. Determination of vinyl acetate in food simulants. Gas chromatography ICS 67.250 C53 National Standards of People's Republic of China Food contact materials - Polymer Determination of vinyl acetate in food simulants Gas chromatography Posted 2009-03-31 2009-09-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

The reference to the European standard technical specification CEN/T S13130-9.2005 "food contact plastic materials and products for restricted substances in the first Part 9. Determination of food simulants vinyl acetate "(in English) to develop. Appendix A of this standard and Appendix B is an informative annex. This standard was proposed by the National Certification and Accreditation Administration Committee. This standard by the National Import and Export Food Safety Inspection Standardization Technical Committee (SAC/TC445) centralized. This standard was drafted. China Inspection and Quarantine Science Research Institute, People's Republic of China Hubei Exit Inspection and Quarantine, the People's Republic of China Exit Inspection and Quarantine and the National Guangdong, Shanxi University Institute of Applied Chemistry. The main drafters of this standard. Chen Zhifeng, Sun Li, Ma Yu, Chu Xiaogang, Cui Hairong, Lee Jun, Liu Yingfeng, Lin Qin Bao. Food contact materials - Polymer Determination of vinyl acetate in food simulants Gas chromatography

1 Scope

This standard specifies the method for determination of food simulants vinyl acetate. This standard applies to water, 3% (mass concentration) solution of acetic acid, 10% (volume fraction) ethanol solution and olive oil Four Food simulants Determination of vinyl acetate content. Water, 3% (mass concentration) solution of acetic acid and 10% (volume fraction) ethanol three kinds of water-based food simulants measured acetate vinyl acetate Set lower limit 2.4mg/L, the determination of vinyl acetate olive lower limit of 2.4mg/kg.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 6682 analytical laboratory use specifications and test methods (GB/T 6682-2008, ISO 3696. 1987, MOD) GB/T 23296.1-2009 plastic food contact materials restricted substances in food and food simulants to specific substances in plastics Migration testing and determination of methods and conditions of exposure to food simulants Guide selection Principle 3 Food simulants vinyl acetate with automatic headspace sampler injection, capillary column separation, hydrogen flame ionization Detector for detection. Internal standard, methyl propionate as internal standard. Can be manual headspace sampling mode, the injection operation, see Appendix A.

4 Reagents and materials

Unless otherwise specified, water GB/T 6682 provided a water, reagents were of analytical grade. 4.1 vinyl acetate (C4H6O2, CAS number. 108-05-4). purity of greater than 99%. 4.2 propionate (C4H8O2, CAS number. 554-12-1). purity of greater than 99%. 4.3 glacial acetic acid. 4.4 ethanol. 4.5 Refined olive oil. 4.6 N, N- dimethylacetamide. 99%, respectively. 4.7 3% (mass concentration) acetic acid solution. Weigh 30g (accurate to 0.1g) in glacial acetic acid (4.3) in 1L flask, water volume. 4.8 10% (by volume) ethanol. Measure 100mL anhydrous ethanol (4.4) in 1L flask, water volume. 4.9 vinyl acetate stock solution (6mg/mL). amount of 10mLN, N- dimethylacetamide (4.6) to a 25mL volumetric flask, accurately weighed Take 0.15g of vinyl acetate (4.1) (to the nearest 0.1mg), transferred to a flask with N, N- dimethylacetamide volume. At 5 ℃ ~ At 20 ℃ sealed from light, stock concentration remained stable in three months. 4.10 propanoate stock solution (6mg/mL). amount of 20mLN, N- dimethylacetamide (4.6) to a 100mL volumetric flask, accurately weighed Take 0.6g propanoate (4.2) (to the nearest 0.1mg), transferred to a flask with N, N- dimethylacetamide volume. At 5 ℃ ~ At 20 ℃ dark sealed, stock concentration remained stable in three months. ......

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