Solubility of natural fluorite at 25°C
Journal of Research of the U.S. Geological Survey
By: D. W. Brown and C. E. Roberson
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Abstract
The solubility products of two samples of natural fluorite from Rosiclare, Ill., and from Madoc, Ontario, were determined at 25°C by analyses of calcium and fluoride in sodium perchlorate solutions of varying ionic strength over a period of 3 years. Calcium concentrations were analyzed by atomic absorption spectrophotometry, fluoride concentrations were measured colorimetrically, and fluoride activities were measured using a specific ion electrode. The solubility products at the end of 3 years were determined by extrapolation to zero ionic strength. The final solubility product was found to be 10-10.58±0.17.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Solubility of natural fluorite at 25°C |
| Series title | Journal of Research of the U.S. Geological Survey |
| Volume | 5 |
| Issue | 4 |
| Year Published | 1977 |
| Language | English |
| Publisher | U.S. Geological Survey |
| Publisher location | Reston, VA |
| Description | 9 p. |
| First page | 509 |
| Last page | 517 |
| Online Only (Y/N) | N |
| Additional Online Files (Y/N) | N |