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Extraction-photometric determination of molybdenum as a mixed-ligand complex with 2-hydroxy-5-chlorothiophenol and diphenylguanidine

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Abstract

The complexation of molybdenum with 2-hydroxy-5-chlorothiophenol (HCTP) in the presence of diphenylguanidine (DPG) was studied. The best conditions for the complex formation and extraction were determined. It was found that a mixed-ligand complex was formed in 2–4 M HC1. The best extractant was chloroform. The molar absorptivity of the mixed-ligand complex was found to be 2.5 x 104 (595 nm). The formation of a mixed-ligand complex of the composition Mo(V) : HCTP : DPG =1: 2 : 2 was shown.

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Authors and Affiliations

  1. Department of Chemistry and Biology, Tusi State Pedagogical University of Azerbaijan, ul. Uz. Gadzhibekova 34, 370000, Baku, Azerbaijan

    N. A. Verdizade, A. Z. Zalov, K. A. Kuliev, T. A. Amrakhov & V. M. Samedova

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  1. N. A. Verdizade
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  2. A. Z. Zalov
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  3. K. A. Kuliev
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  4. T. A. Amrakhov
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  5. V. M. Samedova
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Verdizade, N.A., Zalov, A.Z., Kuliev, K.A. et al. Extraction-photometric determination of molybdenum as a mixed-ligand complex with 2-hydroxy-5-chlorothiophenol and diphenylguanidine. J Anal Chem 55, 331–334 (2000). https://doi.org/10.1007/BF02757766

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  • DOI: https://doi.org/10.1007/BF02757766

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