Active standard | Published: 01/08/1978

ISO 6122:1978

Surface active agents — Technical alkane sulphonates — Determination of total alkane sulphonates content
(Agents de surface — Alcanesulfonates techniques — Détermination de la teneur en alcanesulfonates)

Available languages: English, French

Available design: electronic design (pdf), Print design

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Detail information

Designation: ISO 6122:1978

Publication date: 01/08/1978

Pages: 2

Country: International technical standard

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Anotation

Description / Abstract: A test portion is dispersed in a sodium sulphate solution, and mixture of butan-l-ol and acetons is added to precipitate sodium sulphate decahydrate and part of sodium chloride. A mixture of alkane sulphonates (mono + di), which may be contiminated by a little sodium chloride is obtained by filtration. The solvent is evaporated so that the small quantities of paraffins are eliminated. The alkane sulphonates content is determined gravimetrically and any sodium chloride present is determined potentiometrically.

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