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National food safety standard Food contact materials and articles Determination of isocyanates

GB 31604.45-2016 食品安全国家标准 食品接触材料及制品 异氰酸酯的测定

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Content

Foreword

This standard replaces GB/T 23296.22-2009 “Food contact materials - Determination of isocyanates in plastics - High performance liquid chromatography” and SN/T 2741-2010 “Food contact materials for import and export - Polymer materials - Determination of isocyanates - High performance liquid chromatography”.

Compared with GB/T 23296.22-2009 and SN/T 2741-2010, the major changes of this standard are as follows:

——the name of this standard has been revised to “National food safety standard Food contact materials and articles Determination of isocyanates”;

——the types of analytes have been increased to seven;

——the preparation of blank test sample has been deleted;

——the matrix standard curve has been revised to standard curve of standard solution;

——the expression of analysis results has been revised.

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