Download or read book HJ 680-2013 Translated English of Chinese Standard (HJ 680-2013, HJ680-2013) written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2022-12-19 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Standard specifies the microwave dissolution/atomic fluorescence spectrometry for the determination of mercury, arsenic, selenium, bismuth, and antimony in soil and sediment. This Standard applies to the determination of mercury, arsenic, selenium, bismuth, and antimony in soil and sediment. When the sample size is 0.5 g, for mercury, the detection limit of this method is 0.002 mg/kg, and the lower limit of determination is 0.008 mg/kg; for arsenic, selenium, bismuth, and antimony, the detection limit is 0.01 mg/kg, and the lower limit of determination is 0.04 mg/kg.