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Science 30 September 1966:
Vol. 153. no. 3744, pp. 1673 - 1674
DOI: 10.1126/science.153.3744.1673
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Articles

Stibnite (Sb2S3) Solubility in Sodium Sulfide Solutions

R. H. Arntson 1, F. W. Dickson 1, and G. Tunell 1

1 Department of Geological Sciences, University of California, Riverside

The solubility of stibnite ( Sb2S3) was measured at 25°C and 1 atmosphere in solutions ranging from 0.45 to 7.16 percent Na2S by weight. Sb2S3: Na2S mole ratios of saturated solutions range from 0.238 to 0.403. Stibnite solubility increases at an increasing rate with rising Na2S concentration. The reaction that best fits the experimental data is 2Sb2S3 + HS- + OH-= Sb4S72- + H2O, for which an equilibrium constant was estimated to be about 5.0.


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
Metal Sulfide Complexes and Clusters.
D. Rickard and G. W. Luther III (2006)
Reviews in Mineralogy and Geochemistry 61, 421-504
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