ISO 3240-1975 标准详情
- 标准号:ISO 3240-1975
- 中文标题:工业用硫酸钠;酸度或碱度测定
- 英文标题:sodium sulphate for industrial use; determination of acidity or alkalinity
- 标准类别:国际标准化组织标准ISO
- 发布日期:1975-07-15
Relates to the analysis of a possible excess of acidity or alkalinity. Detection by dissolution of a test portion in water. Addition of a known excess of standard volumetric suphuric acid solution in the presence of methyl red. Elimination of the car
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