Interaction of oxalato pentaammine cobalt(III) with some Bi- and trivalent metal ions: stability constants of (NH3)5CoC2O4M(n + 1)+ species

Nanda, R. K. ; Dash, A. C. (1974) Interaction of oxalato pentaammine cobalt(III) with some Bi- and trivalent metal ions: stability constants of (NH3)5CoC2O4M(n + 1)+ species Journal of Inorganic and Nuclear Chemistry, 36 (7). pp. 1595-1599. ISSN 0022-1902

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Official URL: http://linkinghub.elsevier.com/retrieve/pii/002219...

Related URL: http://dx.doi.org/10.1016/0022-1902(74)80629-9

Abstract

The association of Mn2+, Co2+, Ni2+, Cu2+, Zn2+, Al3, Ga3+, In 3+ and Fe3+ with (NH3)5CoC2O4+ has been studied spectrophotometrically. The acid dissociation constant of (NH3)5CoC2O4H2+ and the stability constants of the binuclear complexes, (NH3)5CoC2O4M(n+1)+, are reported at 28°C and 0.3M ionic strength. The order of stabilities of the binuclear complexes is given by Mn2+ < Co2+ < Ni2+ < Cu2+ > Zn2+ and Al3+ < In3+ < Ga3+ < Fe3+.

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