<abstract xmlns="http://www.w3.org/1999/xhtml"> Solubility data of the conversion system 2NH4+ - 2Na+ - S2O82- - SO42- - H2O at 20 °C and 30 °C for the partial pseudoternary systems Na2S2O8-(NH4)2SO4-H2O, (NH4)2S2O8-Na2SO4-H2O, Na2S2O8-NaNH4SO4-H2O and (NH4)2S2O8-NaNH4SO4-H2O have been correlated using the relative activity coefficient expansion of the crystallizing component. The obtained correlation equations have been used for the calculation of mean activity coefficients of ammonium and sodium peroxodisulfates in their saturated solutions of the mentioned pseudoternary systems.</abstract>

Solubility data of the conversion system 2NH4+ - 2Na+ - S2O82- - SO42- - H2O at 20 °C and 30 °C for the partial pseudoternary systems Na2S2O8-(NH4)2SO4-H2O, (NH4)2S2O8-Na2SO4-H2O, Na2S2O8-NaNH4SO4-H2O and (NH4)2S2O8-NaNH4SO4-H2O have been correlated using the relative activity coefficient expansion of the crystallizing component. The obtained correlation equations have been used for the calculation of mean activity coefficients of ammonium and sodium peroxodisulfates in their saturated solutions of the mentioned pseudoternary systems.

Mean Activity Coefficients of Peroxodisulfates in Saturated Solutions of the Conversion System 2NH4+ — 2Na+ — S2O82– — SO42– — H2O at 20 °C and 30 °C

Heřmanova 35, 170 00 Prague 7, Czech Republic

Acta Chimica Slovaca

Mean Activity Coefficients of Peroxodisulfates in Saturated Solutions of the Conversion System 2NH — 2Na — SO — SO — HO at 20 °C and 30 °C

Solubility data of the conversion system 2NH4+ - 2Na+ - S2O82- - SO42- - H2O at 20 °C and 30 °C for the partial pseudoternary systems Na2S2O8-(NH4)2SO4-H2O,...

Mean Activity Coefficients of Peroxodisulfates in Saturated Solutions of the Conversion System 2NH₄⁺ — 2Na⁺ — S₂O₈^2– — SO₄^2– — H₂O at 20 °C and 30 °C

Published Online: Nov 23, 2013

Page range: 163 - 167

DOI: https://doi.org/10.2478/acs-2013-0025

Keywords
mean activity coefficient, ammonium peroxodisulfate, sodium peroxodisulfate, conversion system

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