A new spectrophotometric method for determining the extraction constant of quaternary complexes. 1992

J L Martinez-Vidal, and A R Fernandez-Alba, and D C Ocaña, and F Salinas
Departamento de Química Analítica de Almería, Facultad de Ciencias de Almería, Universidad de Granada, 04120, Almeria, Spain.

A new spectrophotometric method for determining the extraction constants of quaternary complexes is described. The method has been applied to a study of the distribution between water and toluene in the V(V)-salycylhydroxamic acid-nitrate-trioctyl methyl ammonium system, determining its conditional extraction constant in toluene for several pH values.

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