Solution studies on chelates of nickel, zinc and cadmium with 2-thiopicolinanilide

M Molina; C Melios; N Barelli

doi:10.1016/0039-9140(81)80142-7

Solution studies on chelates of nickel, zinc and cadmium with 2-thiopicolinanilide

Talanta. 1981 Jan;28(1):69-71. doi: 10.1016/0039-9140(81)80142-7.

Authors

M Molina¹, C Melios, N Barelli

Affiliation

¹ Instituto de Química, UNESP,, C.P. 174, Ararquara, 14800 S.P.Brazil.

PMID: 18962860
DOI: 10.1016/0039-9140(81)80142-7

Abstract

The protonation constants of 2-thiopicolinanilide (TPA) and the stability constants of its complexes with Ni, Zn and Cd have been determined potentiometrically in 50% w/w ethanol-water medium, at 25 degrees and 0.100M ionic strength (LiClO(4)). Co-ordination centres in TPA are suggested.