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ISO 673:1981

Soaps — Determination of content of ethanol-insoluble matter ISO 673:1981

Publication date:   Jun 1, 1981

General information

90.93 Standard confirmed   Jan 11, 2022

ISO

ISO/TC 91 Surface active agents

International Standard

71.100.40   Surface active agents

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Scope

The soap is dissolved in ethanol, filtrated and the undissolved residue is weighed. The constituents not dissolved correspond to the additives and foreign matter, of low solubility or insolubility in 95 % (V/V) ethanol, added to soaps and also to substances in all soap formulations, such as alkali carbonates and chlorides, borates, perborates, suphates, silicates, phosphates etc. It also may consist of organic substances like starches, dextrins, caseins, sugars, cellulose derivatives, alginates, etc.

Life cycle

NOW

PUBLISHED
ISO 673:1981
90.93 Standard confirmed
Jan 11, 2022