ISO 3239-1975 标准详情
- 标准号:ISO 3239-1975
- 中文标题:工业用硫酸盐;铁含量测定;1,10-邻二氮杂菲光度测定法
- 英文标题:sodium sulphate for industrial use; determination of iron content; 1,10- phenanthroline 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 the Fe content of which is equal to or more than 0.0003 % (m/m). Dissolution of the test sample in delute hydrochloric acid and bromine water by heating. Preliminary reduction of the iron(III) by hydroxylammonium chloride. Form
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