Solubility of natural fluorite at 25°C

Journal of Research of the U.S. Geological Survey
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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.

Additional publication details

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
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