ISO 3705-1976 标准详情
- 标准号:ISO 3705-1976
- 中文标题:工业用硫磺;砷含量测定;二乙基二硫代氨基甲酸银光度测定法
- 英文标题:sulphur for industrial use; determination of arsenic content; silver diethyldithiocarbamate photometric method
- 标准类别:国际标准化组织标准ISO
- 发布日期:1976-09-01
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 eliminat
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