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).
Status: PublishedPublication date: 1988-06
Edition: 2Number of pages: 3
Technical Committee: ISO/TC 91 Surface active agents
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