ISO 8214-1985 标准详情
- 标准号:ISO 8214-1985
- 中文标题:表面活性剂 洗衣粉 无机硫酸盐的测定 重量法
- 英文标题:Surface active agents; Washing powders; Determination of inorganic sulfates; Gravimetric method
- 标准类别:国际标准化组织标准ISO
- 发布日期:1985-12
From a test portion all ethanol-soluble matter is removed by extraction with ethanol. In the presence of silicates the solution of the residue is treated with hydrochloric acid and evaporated to dryness. The residue is dissolved in water and the oper
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