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 language | English |
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Pages (from-to) | 1061-1063 |
Number of pages | 3 |
Journal | Langmuir |
Volume | 4 |
Issue number | 4 |
DOIs | |
Publication status | Published - 1 Jul 1988 |
Externally published | Yes |