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ISO
ISO 6121:1988

ISO 6121:1988

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

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General Information

Status : Active

Standard Type : Main

Document No : ISO 6121:1988

Document Year : 1988

Pages : 3

Edition : 2

Section Volume : Surface active agents (ISO/TC 91.)

ICS : Surface active agents (71.100.40)

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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