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Osmotic and activity coefficients of {yNaH(2)PO(4)+(1-y)Na2SO4}(aq) at the temperature 298.15 K

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1999
Authors
Pavićević, Vladimir
Ninković, Rozalija
Todorović, M.
Miladinović, Jelena
article (publishedVersion)
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Abstract
The osmotic coefficients of the mixed electrolyte solution {yNaH(2)PO(4) + (1 - y)Na2SO4}(aq) have been measured by the isopiestic method, at the temperature T = 298.15 K. The activity coefficients of NaH2PO4 and Na2SO4 were calculated by Scatchard's neutral-electrolyte method and by Pitzer and Kim's treatment for mixed-electrolyte solutions. The Scatchard interaction parameters are used for calculation of the excess Gibbs energy as a function of ionic strength and ionic-strength fraction of NaH2PO4. Also, the Zdanovskii's rule of linearity is tested.
Keywords:
isopiestic data / mixture / activity coefficient / electrolyte
Source:
Fluid Phase Equilibria, 1999, 164, 2, 275-284
Publisher:
  • Elsevier Science Bv, Amsterdam

DOI: 10.1016/S0378-3812(99)00256-3

ISSN: 0378-3812

WoS: 000083096500010

Scopus: 2-s2.0-0344131895
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URI
http://TechnoRep.tmf.bg.ac.rs/handle/123456789/258
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  • Radovi istraživača / Researchers’ publications (TMF)
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Tehnološko-metalurški fakultet

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