GSO ISO 684:1994
肥皂分析 总游离碱含量的测定

Analysis of soaps -- Determination of total free alkali

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标准号

GSO ISO 684:1994

发布

1994年

发布单位

GSO

当前最新

GSO ISO 684:1994

 

 

适用范围

This standard specifies a method for the determination of the total free alkali content of commercial soaps, excluding compounded products. The method is not applicable if the soap contains additives (alkali silicates, etc.) which can be decomposed by sulphuric acid by the procedure specified. The method is also not applicable to coloured soaps if the colour interferes with the phenolphthalein end point.

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