Author : https://www.chinesestandard.net
Publisher : https://www.chinesestandard.net
ISBN 13 :
Total Pages : 14 pages
Book Rating : 4./5 ( download)
Book Synopsis QB/T 5291-2018 Translated English of Chinese Standard (QB/T5291-2018, QBT 5291-2018) by : https://www.chinesestandard.net
Download or read book QB/T 5291-2018 Translated English of Chinese Standard (QB/T5291-2018, QBT 5291-2018) written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2022-08-21 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: This standard specifies the methods for the determination of hexavalent chromium in cosmetics, by diphenylcarbazide spectrophotometry and ion chromatography-inductively coupled plasma mass spectrometry. This standard applies to the determination of hexavalent chromium in cosmetics. When the sample weight is 2 g, the detection limit of diphenylcarbazide spectrophotometry is 0.25 mg/kg, the quantification limit is 0.83 mg/kg; the detection limit of ion chromatography-inductively coupled plasma mass spectrometry is 0.010 mg/kg, the quantification limit is 0.033 mg/kg.
