ISO 3705-1976 工业用硫磺 砷含量的测定 二乙基二硫代氨基甲酸银光度法

标准号：ISO 3705-1976
中文标准名称：工业用硫磺 砷含量的测定 二乙基二硫代氨基甲酸银光度法
英文标准名称：Sulphur for industrial use; Determination of arsenic content; Silver diethyldithiocarbamate photometric method
标准类型：G10
发布日期：1999/12/31 12:00:00
实施日期：1999/12/31 12:00:00
中国标准分类号：G10
国际标准分类号：71.060.10
适用范围：Applicable to products having As contents equal or more than 0.5 mg/kg. In a well-ventilated cupboard, dissolution of a test portion in carbon tetrachloride. Oxidation of sulphur by bromine and nitric acid. Heating in a boiling water bath to eliminate the exess of bromine, carbon tetrachloride and nitric acid. The analysis is carried out according to ISO 2590. The replacement of some reagents shall be noted.