Formation of nitrite complexes of gallium(III) and indium(III) in aqueous solution

F. Bedia Erim, Efraim Avsar*, Betül Basaran

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)


Stepwise complex formation between gallium(III), indium(III) and nitrite ions has been studied potentiometrically by means of a glass electrode in an aqueous sodium perchlorate medium of unit ionic strength at 25.0°C. In both systems only mononuclear complexes of moderate stability were formed over the range of concentrations used. No evidence has been found for the formation of polynuclear and/or acid complexes. Values of the overall constants for the formation of Ga(NO2)2+, In(NO2)2+, [Formula ommited] and In(NO2)3are 130 ± 40M-1, 390 ± 110M-1, (1.04 ± 0.29)104M-2, and (8 ± 5)104M-3, respectively.

Original languageEnglish
Pages (from-to)209-213
Number of pages5
JournalJournal of Coordination Chemistry
Issue number3
Publication statusPublished - 1 Jan 1990


  • Complexes
  • Gallium(III)
  • Indium(III)
  • Nitrite
  • Stability constants


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