ISO 6121:1988
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Surface active agents — Technical alkane sulfonates — Determination of alkane monosulfonates content by direct two-phase titration
| Published By | Publication Date | Number of Pages |
| ISO | 1988-06 | 7 |
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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