Active standard | Published: 01/06/1981

ISO 673:1981-ed.2.0

Soaps — Determination of content of ethanol-insoluble matter
(Savons — Détermination de la teneur en matieres insolubles dans l´éthanol)

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Detail information

Designation: ISO 673:1981-ed.2.0

Publication date: 01/06/1981

Pages: 2

Country: International technical standard

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Anotation

Description / 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.

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