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Title: Salt effects on surfactant aggregation and dye-micelle complexation
Authors: Acharya, Kamala R
Bhattacharya, Subhash C
Moulik, Satya P
Issue Date: Feb-1997
Publisher: NISCAIR-CSIR, India
Abstract: Physical parameters for characterizing the structure of micelles are necessary for their surface chemical understanding. The effects of salts on physical characteristics (viz. critical micelle concentration, aggregation behaviour, counter ion binding, dye binding, etc.) of micelles have been investigated. The critical micelle concentration of ionic surfactant (sodium dodecylsulphate) has been found to decrease with addition of salt while for nonionic surfactants (Tweens) the change is insignificant.The aggregation number as well as safranine T and phenosafranine micelle binding constants show increase for ionic micelles in salt environment. The effects of salt in the above regards on nonionic micelles are negligible.
Page(s): 137-143
ISSN: 0975-0975(Online); 0376-4710(Print)
Appears in Collections:IJC-A Vol.36A(02) [February 1997]

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