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Homepage>ISO Standards>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
download between 0-24 hoursReleased: 1979
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

ISO 4311:1979

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

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French Hardcopy
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Standard´s number:ISO 4311:1979
Pages:3
Edition:1
Released:1979
DESCRIPTION

ISO 4311:1979


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.
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