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 published on 1.6.1979

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electronic design (pdf) (62.20 USD)

French -

Print design (62.20 USD)

The information about the standard:

Designation standards: ISO 4311:1979
Publication date standards: 1.6.1979
The number of pages: 3
Approximate weight : 9 g (0.02 lbs)
Country: International technical standard
Category: Technical standards ISO

Annotation of standard text ISO 4311:1979 :

Description / Abstract: 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.