Thermodynamic modeling of metal-ligand interactions in high ionic strength NaCl solutions: the Co2+-oxalate system
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First and second apparent stability constants for cobalt(II) with oxalate ion have been determined using solvent extraction. Data were collected in 0.3 m to 5.0 m NaCl aqueous solutions. The logarithms of first stability constant ranged from 3.30 ± 0.03 to 3.57 ± 0.03 and second stability constant ranged from 5.49 ± 0.05 to 6.02 ± 0.06. The data were modeled using the Pitzer equations. For the 1:1 complex, values of the μ
2000 ◽
Vol 298
(2)
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pp. 141-145
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1966 ◽
Vol 44
(24)
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pp. 3057-3062
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1981 ◽
Vol 85
(17)
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pp. 2511-2519
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2008 ◽
Vol 92
(2)
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pp. 643-648
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