Download or read book GB 31604 22 2016 Translated English of Chinese Standard GB31604 22 2016 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2018-04-23 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Standard specifies the method for determination of dichlorodifluoromethane in products of foamed polystyrene. This Standard applies to the determination of dichlorodifluoromethane in products of foamed polystyrene.

Download or read book GB 31604 34 2016 Translated English of Chinese Standard GB31604 34 2016 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2015-03-18 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Standard specifies the graphite furnace atomic absorption spectrometric method, inductively coupled plasma mass spectrometric method, inductively coupled plasma atomic emission spectrometric method and flame atomic absorption spectrometric method for the determination of lead in paper products and cork stoppers and lead migration after being soaked in the food simulants.

Download or read book GB 31604 1 2015 Translated English of Chinese Standard GB31604 1 2015 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2017-02-11 with total page 19 pages. Available in PDF, EPUB and Kindle. Book excerpt: This standard specifies the general requirements for the migration test of various food contact materials and products.

Download or read book GB 31604 28 2016 Translated English of Chinese Standard GB31604 28 2016 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2018-06-24 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: This standard specifies the methods of determination of di (2-ethylhexyl) adipate (DEHA) and migration in food contact materials and products. This standard is applicable to the determination of di (2- ethylhexyl) adipate and migration in polyvinyl chloride products.

Download or read book GB 31604 41 2016 Translated English of Chinese Standard GB31604 41 2016 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2018-04-23 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Standard specifies the graphite furnace atomic absorption spectrometry, atomic fluorescence spectrometry, inductively coupled plasma mass spectrometry, inductively coupled plasma emission spectrometry, and malachite green spectrophotometry for the determination of stibium migration after food contact materials and articles are soaked in food simulants. This Standard is applicable to the determination of stibium migration in food contact materials and articles.

Download or read book GB 31604 14 2016 Translated English of Chinese Standard GB31604 14 2016 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2018-04-23 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Standard specifies the method for the determination of migration of 1-octene and tetrahydrofuran in food contact materials and articles. This Standard applies to the determination of migration of 1-octene and tetrahydrofuran in food contact materials and articles.

Download or read book GB 31604 29 2016 Translated English of Chinese Standard GB31604 29 2016 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2018-04-23 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Standard specifies the gas chromatography-mass spectrometry for determination of migration of methyl methacrylate in food contact materials and articles. This Standard applies to the determination of migration of methyl methacrylate in food contact materials and articles.

Download or read book GB 31604 49 2016 Translated English of Chinese Standard GB31604 49 2016 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2017-06-23 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: This standard specifies the inductively coupled plasma mass spectrometry and inductively coupled plasma emission spectrometry for the determination of arsenic, cadmium, chromium, nickel, lead, antimony and zinc in the food contact materials and articles after being immersed in food simulants, AND specifies the inductively coupled plasma mass spectrometry for the determination of arsenic, cadmium, chromium and lead in paper products and cork stoppers.

Download or read book GB 31604 35 2016 Translated English of Chinese Standard GB31604 35 2016 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2018-04-23 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: This standard specifies the method for the determination of perfluorooctane sulfonate (PFOS) and perfluorooctanoic acid (PFOAA) in food contact materials and products by tandem mass spectrometry. This standard is applicable to the determination of PFOS and PFOA in food contact materials and products such as carton, rubber, polyethylene, plastics, resin, non-stick pan coating and so on.

Download or read book GB 31604 46 2023 Translated English of Chinese Standard GB 31604 46 2023 GB31604 46 2023 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2024-02-06 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Standard specifies the method for the determination of food contact materials and products - free phenol and the determination of migration.

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 49 2023 Translated English of Chinese Standard GB 31604 49 2023 GB31604 49 2023 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2024-02-06 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Standard specifies the method for the determination of arsenic, cadmium, chromium and lead, and the determination of aluminum, arsenic, barium, cadmium, cobalt, chromium, copper, iron, lithium, manganese, molybdenum, nickel, lead, antimony, tin and zinc migration in food contact materials and products.

Download or read book GB 31604 60 2024 Translated English of Chinese Standard GB 31604 60 2024 GB31604 60 2024 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2024-05-05 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Standard specifies the gas chromatography and gas chromatography-mass spectrometry to determine the residues of 25 solvents, such as cyclohexane, methylcyclohexane, acetone, ethyl acetate, methanol, isopropyl acetate, butanone, isopropyl alcohol, ethanol, n-propyl acetate, 4-Methyl-2-pentanone, n-propanol, butyl acetate, isobutanol, n-butanol, ethylene glycol methyl ether acetate, propylene glycol methyl ether acetate, propylene glycol methyl ether, propylene glycol ethyl ether, benzene, toluene, ethylbenzene, o-xylene, p-xylene, and m-xylene in the food contact composite materials and products. This Standard is applicable to the determination of solvent residues in food contact composite materials and products. Method-I Gas Chromatography

Download or read book GB 31604 52 2021 Translated English of Chinese Standard GB31604 52 2021 written by https://www.chinesestandard.net and published by www.ChineseStandard.net. This book was released on 2021-09-03 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: This standard specifies the method for determining the migration of 29 aromatic primary amines, in food contact materials and products. This standard applies to the determination of the migration of aromatic primary amines, in food contact materials and products.