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SN/T 4010-2014 PDF English

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SN/T 4010-2014: Food contact materials - Polymer materials - Determination of formaldehyde in food simulants - Liquid chromatography
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SN/T 4010-2014English209 Add to Cart 3 days [Need to translate] Food contact materials - Polymer materials - Determination of formaldehyde in food simulants - Liquid chromatography

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Basic data

Standard ID SN/T 4010-2014 (SN/T4010-2014)
Description (Translated English) Food contact materials - Polymer materials - Determination of formaldehyde in food simulants - Liquid chromatography
Sector / Industry Commodity Inspection Standard (Recommended)
Classification of Chinese Standard X08
Classification of International Standard 67.250
Word Count Estimation 8,876
Date of Issue 12/1/2014
Date of Implementation 5/1/2015
Quoted Standard GB 4805; GB/T 5009.156; GB/T 6682; GB 9690; GB/T 23296.1
Regulation (derived from) State-Quality-Inspection-accreditation [2014] 614
Issuing agency(ies) General Administration of Customs
Summary This standard specifies the liquid chromatographic method food simulants formaldehyde content. This standard applies to food contact materials in seven kinds of food simulants: water, 3% acetic acid, 4% acetic acid, 10% ethanol, 20% ethanol, 50% ethanol a

SN/T 4010-2014: Food contact materials - Polymer materials - Determination of formaldehyde in food simulants - Liquid 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 food simulants formaldehyde Liquid Chromatography) People's Republic of China Entry-Exit Inspection and Quarantine Standards Food contact materials - Polymer Determination of formaldehyde in food simulants Liquid chromatography Issued on. 2014-11-19 2015-05-01 implementation People's Republic of China The State Administration of Quality Supervision, Inspection and Quarantine released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard is proposed and managed by the National Certification and Accreditation Administration Committee. This standard was drafted. Shanxi People's Republic of China Exit Inspection and Quarantine, People's Republic of China Fujian Entry-Exit Inspection and Quarantine Bureau. The main drafters of this standard. Song Huan, Yang Xiaobing, Zhao long, flower Jin, Du Lijun, Chen Min solid, Wang Jinghui, Guo Xiaoxi. Food contact materials - Polymer Determination of formaldehyde in food simulants Liquid chromatography

1 Scope

This standard specifies the liquid chromatographic method food simulants formaldehyde content. This standard applies to food contact materials in seven kinds of food simulants. water, 3% acetic acid, 4% acetic acid, 10% ethanol, 20% ethanol, 50% acetic Alcohol and vegetable oil simulants formaldehyde [comprises hexamethylene tetramine (HMTA) conversion of formaldehyde] Determination of migration.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB 4805 epoxy phenolic coating the inner wall of canned food hygiene standards GB/T 5009.156 immersion test method for packaging food materials and products General GB/T 6682 analytical laboratory use specifications and test methods (ISO 3696. 1987, MOD) GB 9690 food containers, packaging materials used melamine - formaldehyde moldings health standards GB/T 23296.1 plastic food contact materials in plastics restricted substances test substance specific migration into foods and food simulants Experience and determination method and conditions of exposure to food simulants Guide selection

3 Terms and Definitions

GB/T 23296.1 defined and the following terms and definitions apply to this document. 3.1 Formaldehyde migration migrationofformaldehyde The amount of formaldehyde in the sample residual formaldehyde monomer to food simulants migration. Note. according to GB 4805 The definition is described as free formaldehyde Freeformaldehyde. 3.2 Total migration of formaldehyde totalmigrationofformaldehyde Migration sample residual monomer HMTA and formaldehyde in food simulants, As formaldehyde. HMTA under certain conditions Decomposition of formaldehyde, the conversion of the chemical reaction formula as follows. C6H12N4 6H2O → 6HCHO 4NH3

4 Method summary

After food simulant contact with the sample, the sample residual formaldehyde and HMTA migrate to food simulants. HMTA in acidic medium Heated mass was converted to formaldehyde. Formaldehyde test solution by 2,4-dinitrophenylhydrazine derivative by liquid chromatography at 355nm wavelength diffraction Production was detected, external standard. ...

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