Summary
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1.
The solubility of silicic acid in solutions of salts has been studied; it has been shown that only high salt concentrations substantially lower it.
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2.
The nature of the anion affects the solubility of silicic acid more strongly than the nature of the cation; the chloride and nitrate ions have the greatest effect; the effect of the cation under otherwise similar conditions increases with an increase in its charge.
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3.
The addition of powdered quartz or calcined silica to a supersaturated solution of silicic acid does not cause the separation of silicic acid from the solution.
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In conclusion, I consider it my duty to express my thanks to Yu. V. Morachevskii for suggesting the subject of this investigation and for his direction.
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Piryutko, M.M. The solubility of silicic acid in salt solutions. Russ Chem Bull 8, 355–360 (1959). https://doi.org/10.1007/BF00917687
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DOI: https://doi.org/10.1007/BF00917687