GSO ISO 684:1994
ISO 684:1974
Gulf Standard
Current Edition
·
Approved on
30 April 2025
Analysis of soaps -- Determination of total free alkali
GSO ISO 684:1994 Files
English
2 Pages
Current Edition
Reference Language
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GSO ISO 684:1994 Scope
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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