Reference number
ISO 673:1981
International Standard
ISO 673:1981
Soaps — Determination of content of ethanol-insoluble matter
Edition 2
1981-06
Read sample
ISO 673:1981
4838
Published (Edition 2, 1981)
This publication was last reviewed and confirmed in 2022. Therefore this version remains current.

ISO 673:1981

ISO 673:1981
4838
Language
Format
CHF 42
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Abstract

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.

General information

  •  : Published
     : 1981-06
    : International Standard confirmed [90.93]
  •  : 2
     : 2
  • ISO/TC 91
    71.100.40 
  • RSS updates

Life cycle

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