Improved apparatus and procedures for the measurement of solubility of rapidly equilibrating solid-liquid systems to 90°C

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Capewell, S.G., Hefter, G. and May, P.M. (1999) Improved apparatus and procedures for the measurement of solubility of rapidly equilibrating solid-liquid systems to 90°C. Review of Scientific Instruments, 70 (2). pp. 1481-1485.

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Abstract

An improved apparatus for measuring solubilities of solid-liquid systems at temperatures to 90°C is described. The apparatus has a high capacity (up to 56 samples) and a long term temperature stability of ±3 mK. The design allows the saturated solution to be multiply sampled and microfiltered at the equilibration temperature, making it particularly suited to rapidly equilibrating systems. The reliability of the apparatus and sampling procedures were tested by measuring the solubilities of NaCl, Na2SO4, and Na2CO3 in water. The data obtained showed a routine precision of ±0.05% relative and agreed to within ±0.1% of recommended International Union of Pure and Applied Chemistry values.

Publication Type:	Journal Article
Murdoch Affiliation:	School of Chemical and Mathematical Science
Publisher:	American Institute of Physics
URI:	http://researchrepository.murdoch.edu.au/id/eprint/1216

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