ISO 3359-1975 标准详情
- 标准号:ISO 3359-1975
- 中文标题:工业用磷酸;砷含量测定;二硫代氨基甲酸盐光度测定法
- 英文标题:phosphoric acid 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:1975-08-01
Applicable to products having As contents of more than 0.1 mg/kg. Relates to the method of analysis according to ISO 2590. Reduction of the As by zinc in a hydrochloric acid solution with the formation of arsine. Absorption of the arsine in a solutio
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