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

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.

OEN:

ISO

Langue:

English

Code(s) de l'ICS:

71.100.40

Statut:

Publié

Date de Publication:

1979-05-31

Numéro Standard:

ISO 4311:1979