Download or read book GB 31604 32 2016 Translated English of Chinese Standard GB31604 32 2016 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2018-05-05 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt: This standard specifies the determination methods for titration and colorimetry of sulfur dioxide in food contact wood (bamboo) materials. This standard applies to the determination of sulfur dioxide in wood (bamboo) chopsticks, wood (bamboo) bowls, wood (bamboo) spoons and wood (bamboo) shovels.

Download or read book GB 31604 26 2016 Translated English of Chinese Standard GB31604 26 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 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: This standard is applicable to the determination of epichlorohydrin in food contact materials and products (plastics, paints, paper and cardboard) and the determination of the migration of epichlorohydrin. The high performance liquid chromatography (HPLC) is suitable for the determination of epichlorohydrin in food contact materials and products (plastics, coatings, paper products). The gas chromatography-mass spectrometry is suitable for the determination of the migration of epichlorohydrin in food contact materials and products (plastics, coatings, paper and cardboard).

Download or read book GB 31604 27 2016 Translated English of Chinese Standard GB31604 27 2016 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2018-05-05 with total page 19 pages. Available in PDF, EPUB and Kindle. Book excerpt: This standard specifies the methods of determination of ethylene oxide and epoxy propane in food contact materials and products. This standard is applicable to the determination of ethylene oxide and epoxy propane in plastic food contact materials and products.