Download or read book GB 31604 55 2023 Translated English of Chinese Standard GB 31604 55 2023 GB31604 55 2023 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2024-02-07 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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

Download or read book GB 31604 29 2023 Translated English of Chinese Standard GB 31604 29 2023 GB31604 29 2023 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2024-02-19 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Standard specifies the determination method for the migration of acrylic acid and methacrylic acid and their esters in food contact materials and products. Part 1 ¨C Gas chromatography-mass spectrometry applies to the determination of migration of 18 kinds of acrylate and methacrylate in food contact ma

Download or read book GB 31604 58 2023 Translated English of Chinese Standard GB 31604 58 2023 GB31604 58 2023 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2024-02-20 with total page 25 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Standard specifies methods for the determination of migration of nine antioxidants in food contact materials and products. This Standard applies to the determination of migration of antioxidant 2246, antioxidant 264, butylated hydroxyanisole (BHA), 2,4-di-tert-butylphenol, antioxidant 425, antioxidant 300, antioxidant 1010, antioxidant 1076, and antioxidant 168. Method-I High Performance Liquid Chromatography