Precipitation-Redissolution Phenomena in Sulfonate-AlCl3 Solutions

P. Somasundaran*, K. P. Ananthapadmanabhar, M. S. Celik

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

49 Citations (Scopus)

Abstract

In this paper, the precipitation-redissolution behavior of AlCl3 and the dependence of it on pH in sodium dodecyl benzenesulfonate and sodium dodecanesulfonate solutions are discussed. As in the case of bivalent metal ion-sulfonate systems, the redissolution is found to be caused by micelles. In contrast to the bivalent metal ion systems, precipitation in AlCl3-sulfonate solutions is influenced markedly by pH. The results indicate that the competition among sulfonate monomers, micelles, and hydroxyl ions for Al species controls the system behavior. The thermodynamic solubility product for the precipitation of aluminum trisulfonates and the dependence of onset of redissolution on AlCl3 concentration have been determined.

Original languageEnglish
Pages (from-to)1061-1063
Number of pages3
JournalLangmuir
Volume4
Issue number4
DOIs
Publication statusPublished - 1 Jul 1988
Externally publishedYes

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