ISO 3235-1975 标准详情
- 标准号:ISO 3235-1975
- 中文标题:工业用硫酸钠;不溶于酸的物质的测定
- 英文标题:sodium sulphate for industrial use; determination of acid-insoluble matter
- 标准类别:国际标准化组织标准ISO
- 发布日期:1975-07-15
Applicable to anhydrous and hydrated products. The principle consists in dissolution of a test portion in water, subsequent addition of hydrochloric acid. Heating on a boiling wather bath for 30 min, filtration, drying and weighing of the residue.
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