NEN ISO 684 : 1983
Current
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The latest, up-to-date edition.
ANALYSIS OF SOAPS - DETERMINATION OF TOTAL FREE ALKALI
Published date
12-01-2013
Publisher
Defines 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.
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