Title
Determination of sulphate content of anionic surfactants : sodium di-2-ethylhexylsulphosuccinate Determination of sulphate content of anionic surfactants : sodium di-2-ethylhexylsulphosuccinate
Author
Faculty/Department
Faculty of Applied Engineering Sciences
Publication type
article
Publication
Oxford :Pergamon ,
Subject
Chemistry
Source (journal)
Talanta : the international journal of pure and applied analytical chemistry. - Oxford, 1958, currens
Volume/pages
28(1981) :4 , p. 221-224
ISSN
0039-9140
1873-3573
ISI
A1981LL65500004
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Abstract
A simple nephelometric method for the determination of sulphates in the anionic surfactant Aerosol-OT is described. The method is based on the formation and stabilization of a barium sulphate dispersion in a water-alcohol mixture and measurement of the turbidity at 650 nm. Beer's law is followed for sodium sulphate concentrations in Aerosol-OT ranging from 0 to 7000 μg/g. The lower determination limit is about 100200 μg/g and the reproducibility about 5% for typical commercial Aerosol-OT samples. The method can also be used for other anionic surfactants by adjusting the water-ethanol ratio of the solvent.
E-info
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