ISO 984-1974 标准详情
- 标准号:ISO 984-1974
- 中文标题:工业用氢氧化钠.二氧化硅含量的测定.还原硅钼络合物光度法
- 英文标题:sodium hydroxide for industrial use; determination of silica content; reduced silico-molybdic complex photometric method
- 标准类别:国际标准化组织标准ISO
- 发布日期:1974-12-15
The method is applicable to products having silica contents exceeding 10 mg/kg. The principle is based on the formation of yellow oxidized silico-molybdic complex in a strongly acid medium, in the presence of boric acid to suppress interference by fl
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