ISO-6121 Surface active agents -- Technical alkane sulfonates -- Determination of alkane monosulfonates content by direct two-phase titration

ISO-6121 - 2ND EDITION - CURRENT


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The determination is carried out in a consisting of an aqueous phase and a chloroform phase, in the presence of sodium sulfate, by titration against a standard volumetric cationic-active solution (benzethonium chloride), in the presence of an indicator consisting of a mixture of a cationic dye (dimidium bromide) and an anionic dye (acid blue 1).

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Document Number

ISO 6121:1988

Revision Level

2ND EDITION

Status

Current

Publication Date

June 1, 1988

Committee Number

ISO TC 91