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ISO 6121:1988

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

Publication date:   Jun 16, 1988

General information

90.20 Standard under periodical review   Apr 15, 2024

ISO

ISO/TC 91 Surface active agents

International Standard

71.100.40   Surface active agents

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Scope

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).

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 6121:1979

NOW

PUBLISHED
ISO 6121:1988
90.20 Standard under periodical review
Apr 15, 2024