Thiosulfatothiourea lead complexes

N. B. Egorov, L. P. Eremin, V. F. Usov, A. M. Larionov, I. P. Fiterer

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Abstract

Interactions in the system Pb(NO₃)₂-Na ₂S₂O₃-(NH₂)₂CS-H ₂O were studied using UV spectroscopy. The results of the study indicate a possibility of complete substitution of thiourea for thiosulfate ions when the solution concentration is 10^-3 mol/L. The compounds PbS₂O₃ • (NH₂)₂CS • H ₂O and PbS₂O₃ • 2(NH₂) ₂CS • H₂O were isolated from concentrated aqueous solutions and characterized by IR spectroscopy and thermal analysis. The structure of these compounds is suggested. Thermolysis schemes for these compounds are suggested on the basis of the IR absorption spectra of thermolysis products.

Original language	English
Pages (from-to)	117-122
Number of pages	6
Journal	Russian Journal of Inorganic Chemistry
Volume	53
Issue number	1
DOIs	https://doi.org/10.1134/S0036023608010166
Publication status	Published - Jan 2008

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ASJC Scopus subject areas

Inorganic Chemistry

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Egorov, N. B., Eremin, L. P., Usov, V. F., Larionov, A. M., & Fiterer, I. P. (2008). Thiosulfatothiourea lead complexes. Russian Journal of Inorganic Chemistry, 53(1), 117-122. https://doi.org/10.1134/S0036023608010166

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AU - Eremin, L. P.

AU - Usov, V. F.

AU - Larionov, A. M.

AU - Fiterer, I. P.

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AB - Interactions in the system Pb(NO3)2-Na 2S2O3-(NH2)2CS-H 2O were studied using UV spectroscopy. The results of the study indicate a possibility of complete substitution of thiourea for thiosulfate ions when the solution concentration is 10-3 mol/L. The compounds PbS2O3 • (NH2)2CS • H 2O and PbS2O3 • 2(NH2) 2CS • H2O were isolated from concentrated aqueous solutions and characterized by IR spectroscopy and thermal analysis. The structure of these compounds is suggested. Thermolysis schemes for these compounds are suggested on the basis of the IR absorption spectra of thermolysis products.

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10.1134/S0036023608010166