Standard

ISO 6840:1982

Oct 1982 Published

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Language English

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Abstract

The determination is carried out as follows: Potentiometric determination of the chloride or bromide ion activity of a series of solutions of cationic surface active agents the concentration of which cover the expected micellization concentration. Plotting the graph of potential as a function of the logarithm of the concentration; the c.m.c. corresponds to the singularity on this curve. The method is applicable to purified cationic surface active agents (hydrochlorides and/or hydrobromides), which are soluble in water and which have a Krafft temperature below 60 degree Celsius.

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Standard from ISO
Published: 1 October 1982
Edition: 1
Version: 1
Document type: IS
ISBN:

ICS 71.100.40
ISO TC ISO/TC 91

ISO 6840:1982

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Abstract

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Abstract

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