ISO-6122 › Surface active agents -- Technical alkane sulphonates -- Determination of total alkane sulphonates content
ISO-6122
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1ST EDITION
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CURRENT
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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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71.100.40 (Surface active agents)
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Document Number
ISO 6122:1978
Revision Level
1ST EDITION
Status
Current
Publication Date
Aug. 15, 1978
Committee Number
ISO TC 91