ISO 8799-1988 标准详情
- 标准号:ISO 8799-1988
- 中文标题:表面活性剂.硫酸乙氧乙醇和硫酸乙氧烷基苯酚.非硫化物含量的测量
- 英文标题:surface active agents; sulfated ethoxylated alcohols and alkylphenols; determination of content of unsulfated matter
- 标准类别:国际标准化组织标准ISO
- 发布日期:1988-04-01
From a methanolic solution of the test portion, the unsulfated matter is separated on an ion-exchange column (filled with a mixture of cation-exchange resins and anion-exchange resins). The unsulfated matter is recovered from the eluate by evaporatio
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