ISO 2999-1974 标准详情
- 标准号:ISO 2999-1974
- 中文标题:工业用焦磷酸钠;焦磷酸盐含量测定;电势测定法
- 英文标题:sodium pyrophosphate for industrial use; estimation of pyrophosphate content; potentiometric method
- 标准类别:国际标准化组织标准ISO
- 发布日期:1974-12-01
Applicable to products containing at least 90 % (m/m) of tetrasodium pyrophosphate and in the absence of more condensed forms of phosphates. The reaction based on conversion of tetrasodium pyrophosphate to disodium dihydrogenpyrophosphate by addition
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