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Complex-forming properties of 1-(2-pyridylazo)-2-naphthol and 1-(2-thiazolylazo)-2-naphthol in a dimethyl sulfoxide and N,N-dimethylformamide medium

E. Šimuničová, D. Rúriková, and P. Majer

Lehrstuhl für Analytische Chemie der Naturwissenschaftlichen Fakultät der Komenský- Universität, 816 50 Bratisla va

 

Abstract: The complex-forming equil. of two heterocyclic azo-dyes 1-(2-pyridylazo)-2-naphthol and 1-(2-thiazolylazo)-2-naphthol with bivalent cations Cu(II), Cd(II), Co(II), Zn(II), and Ni(II) in DMSO and DMF were studied spectrophotometrically. With several ratios cM/cL spectral characteristics, equil. consts., and conditioned stability consts. of chelates were detd.

Full paper in Portable Document Format: 331a64.pdf (in German)

 

Chemical Papers 33 (1) 64–73 (1979)

Wednesday, October 21, 2020

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