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The solubility of quartz in aqueous sodium chloride solution at 350??C and 180 to 500 bars

Geochimica et Cosmochimica Acta

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Abstract

The solubility of quartz in 2, 3, and 4 molal NaCl was measured at 350??C and pressures ranging from 180 to 500 bars. The molal solubility in each of the salt solutions is greater than that in pure water throughout the measured pressure range, with the ratio of solubility in NaCl solution to solubility in pure water decreasing as pressure is increased. The measured solubilities are significantly higher than solubilities calculated using a simple model in which the water activity in NaCl solutions decreases either in proportion to decreasing vapor pressure of the solution as salinity is increased or in proportion to decreasing mole fraction of water in the solvent. ?? 1982.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
The solubility of quartz in aqueous sodium chloride solution at 350??C and 180 to 500 bars
Series title:
Geochimica et Cosmochimica Acta
Volume
46
Issue:
10
Year Published:
1982
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Geochimica et Cosmochimica Acta
First page:
1975
Last page:
1978
Number of Pages:
4