Calcite crystal growth rate inhibition by polycarboxylic acids
Journal of Colloid and Interface Science
By: M.M. Reddy and A.R. Hoch
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Abstract
Calcite crystal growth rates measured in the presence of several polycarboxyclic acids show that tetrahydrofurantetracarboxylic acid (THFTCA) and cyclopentanetetracarboxylic acid (CPTCA) are effective growth rate inhibitors at low solution concentrations (0.01 to 1 mg/L). In contrast, linear polycarbocylic acids (citric acid and tricarballylic acid) had no inhibiting effect on calcite growth rates at concentrations up to 10 mg/L. Calcite crystal growth rate inhibition by cyclic polycarboxyclic acids appears to involve blockage of crystal growth sites on the mineral surface by several carboxylate groups. Growth morphology varied for growth in the absence and in the presence of both THFTCA and CPTCA. More effective growth rate reduction by CPTCA relative to THFTCA suggests that inhibitor carboxylate stereochemical orientation controls calcite surface interaction with carboxylate inhibitors. ?? 20O1 Academic Press.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Calcite crystal growth rate inhibition by polycarboxylic acids |
| Series title | Journal of Colloid and Interface Science |
| DOI | 10.1006/jcis.2000.7378 |
| Volume | 235 |
| Issue | 2 |
| Year Published | 2001 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Journal of Colloid and Interface Science |
| First page | 365 |
| Last page | 370 |
| Google Analytic Metrics | Metrics page |