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download between 0-24 hoursReleased: 1988
ISO 6121:1988
ISO 6121:1988-Surface active agents-Technical alkane sulfonates
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| Standard´s number: | ISO 6121:1988 |
| Pages: | 3 |
| Edition: | 2 |
| Released: | 1988 |
DESCRIPTION
ISO 6121:1988
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).