Densities and apparent molar volumes of Na2SO4(aq) and K2SO4(aq) at temperatures from 298 K to 573 K and at pressures up to 30 MPa
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Obšil, M., Majer, V., Hefter, G. and Hynek, V. (1997) Densities and apparent molar volumes of Na2SO4(aq) and K2SO4(aq) at temperatures from 298 K to 573 K and at pressures up to 30 MPa. Journal of Chemical and Engineering Data, 42 (1). pp. 137-142.
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Abstract
Densities of Na2SO4(aq) and K2SO4(aq) have been measured by vibrating-tube densitometry at concentrations of 0.01 mol·kg-1 to 1.0 and 0.5 mol·kg-1, respectively, and at temperatures from 298.15 K to 572.7 K and pressures up to 30.7 MPa. Apparent molar volumes derived from these data were extrapolated using the Pitzer ion-interaction model to yield partial molar volumes of these electrolytes at infinite dilution. The two salts show similar behaviors over the whole range of conditions studied.
| Publication Type: | Journal Article |
|---|---|
| Murdoch Affiliation: | School of Chemical and Mathematical Science |
| Publisher: | American Chemical Society |
| Copyright: | (c) American Chemical Society |
| URI: | http://researchrepository.murdoch.edu.au/id/eprint/1507 |
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