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ISO 4311 : 1979

Anionic and non-ionic surface active agents — Determination of the critical micellization concentration — Method by measuring surface tension with a plate, stirrup or ring

Standard Details

The method is carried out in the following way: Determination of the surface tension of a series of solutions whose concentrations bracket the critical micellization concentration. Plotting of the graph of surface tension as a function of the logarithm of the concentration: the critical micellization concentration corresponds to a singular point on this curve. In this point the curve shows a sharp change of slope.

General Information

Status : Published
Standard Type: Main
Document No: ISO 4311 : 1979
Document Year: 1979
Pages: 3
Edition: 1

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ISO 4311 : 1979
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