ISO 3333-1975 标准详情
- 标准号:ISO 3333-1975
- 中文标题:工业用硝酸铵;铜含量测定;二亚苄基硫代氨基甲酸锌光度测定法
- 英文标题:ammonium sulphate for industrial use; determination of copper content; zinc dibenzyldithiocarbamate photometric method
- 标准类别:国际标准化组织标准ISO
- 发布日期:1975-07-15
Applicable to products of which the Cu content is more than 0, 1 mg/kg. The detection bases on the formation of a coloured complex of copper and of zinc dibenzyldithiocarbamate and photometric measurement at a wavelength of about 435 nm.
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