ISO 2994-1974 标准详情
- 标准号:ISO 2994-1974
- 中文标题:工业用硫酸铵;不溶于水的物质测定;重量分析法
- 英文标题:ammonium sulphate for industrial use; determination of matter insoluble in water; gravimetric method
- 标准类别:国际标准化组织标准ISO
- 发布日期:1974-04-01
Specifies the dissolution of a test portion in water; filtration under vacuum on the filter crucible, thorough washing of the filter crucible and detection of the absence of sulphates in the wash water by a barium chloride test, drying and weighing o
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