Bester-Roga, M. and Tomsic, M. and Barthel, Josef and Neueder, R. and Apelblat, A. (2002) Conductivity studies of dilute aqueous solutions of oxalic acid and neutral oxalates of sodium, potassium, cesium, and ammonium from 5 to 35 degrees C. JOURNAL OF SOLUTION CHEMISTRY, 31 (1): UNSP 0095-. pp. 1-18. ISSN 0095-9782
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Conductivity measurements of oxalic acid and neutral oxalates (disodium oxalate, dipotassium oxalate, dicesium, and diammonium oxalate) were performed on dilute aqueous solutions, c < 3 x 10(-3) mol-dm(-3), from 5 to 35&DEG;C, These-data and those available from the literature were analyzed in terms of dissociation steps of oxalic acid, the Onsager conductivity equation for neutral oxalates, the Quint-Viallard conductivity equation for the acid, and the Debye-Huckel equation for activity coefficients, to give the limiting equivalent conductances of bioxalate anion λ(&INFIN;)(HC2O4-) and oxalate anion lambda(infinity)(1/2C(2)O(4)(2-)) and the corresponding dissociation constants K-1 and K-2.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | TARTARIC-ACIDS; CONDUCTANCE; STEREOISOMERS; TARTRATES; electrolyte conductivity; electrolyte solutions; ion conductivities; aqueous solutions; oxalic acid; alkali metal oxalates; ammonium oxalate |
| Subjects: | 500 Science > 540 Chemistry & allied sciences |
| Divisions: | Chemistry and Pharmacy > Institut für Physikalische und Theoretische Chemie |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 16 Nov 2021 14:57 |
| Last Modified: | 16 Nov 2021 14:57 |
| URI: | https://pred.uni-regensburg.de/id/eprint/40774 |
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