OS GSO ISO 684:1994
ISO 684:1974
Omani Standard
Current Edition
·
Approved on
30 April 2025
Analysis of soaps -- Determination of total free alkali
OS GSO ISO 684:1994 Files
Arabic
5 Pages
Current Edition
OMR
20.37
English
2 Pages
Current Edition
Reference Language
OMR
20.37
OS 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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