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Collect. Czech. Chem. Commun. 1979, 44, 374-392

Spectrophotometric study of complexation equilibria and of a method for the determination of Fe(III) ions with 4-(2-pyridylazo)resorcinol and 4-(2-thiazolylazo)resorcinol

Ellena Russeva, Vlastimil Kubáň and Lumír Sommer

Department of Analytical Chemistry, Purkyně University, 611 37 Brno

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  • Gavazov K. B., Toncheva G. K.: Ion-association between some ditetrazolium cations and anions originated from 4-(2-thiazolylazo)resorcinol or 4-(2-pyridylazo)resorcinol. Russ J Gen Chem 2015, 85, 192. <>
  • Vyshcherevich I. V., Kalinichenko I. E.: Photometric determination in drinking water of cobalt and nickel with 4-(2-pyridylazo)-resorcinol. J. Water Chem. Technol. 2010, 32, 33. <>
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  • Marić Lj., Široki M.: Extraction of 4-(2-pyridylazo) resorcinol and 4-(2-thiazolylazo) resorcinol with chloroform and tetraphenylarsonium and phosphonium chlorides. Analytica Chimica Acta 1996, 318, 345. <>
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  • DroAC>��d��ewski Piotr M.: Resonance Raman spectra of tautomeric forms of 1-(2-pyridylazo)-2-naphthol and 4-(2-pyridylazo)-resorcinol. Spectrochimica Acta Part A: Molecular Spectroscopy 1985, 41, 1035. <>