GB 31604.55-2023: National food safety standard - Food contact materials and products - Determination of migration of isothiazolinone compounds

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Scope

This Standard specifies the methods to determine 1,2-benzisothiazolyl-3(2H)-one, 2-
methyl-3(2H)-isothiazolinone and 5-chloro-2-methyl-2H-isothiazol-3-one migration
amounts in food contact materials and products.
This Standard applies to the determination of 1,2-benzisothiazolyl-3(2H)-one, 2-
methyl-3(2H)-isothiazolinone and 5-chloro-2-methyl-2H-isothiazol-3-one migration
amounts in food contact plastics, paints and coatings, rubber, paper and cardboard, and
food contact materials and articles using inks or adhesives.
Method One -- High-performance Liquid Chromatography

Basic Data

Standard ID	GB 31604.55-2023 (GB31604.55-2023)
Description (Translated English)	National food safety standard - Food contact materials and products - Determination of free phenol and migration
Sector / Industry	National Standard
Classification of Chinese Standard	X09
Word Count Estimation	19,197
Date of Issue	2023-09-06
Date of Implementation	2024-03-06
Issuing agency(ies)	National Health Commission of the People's Republic of China, State Administration for Market Regulation
Summary	This standard specifies the method for the determination of free phenols and the migration amount of food contact materials and products. The first part of this standard applies to the determination of free phenol in epoxy phenolic resin coatings for food contact; the second part applies to the determination of free phenol migration in food contact materials and products; the third part applies to the determination of phenol in food contact materials and products Determination of migration amount.