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The state of osmium(IV) in hydrochloric acid solutions

  • Inorganic Chemistry
  • Published:
Bulletin of the Academy of Sciences of the USSR, Division of chemical science Aims and scope

Conclusions

  1. 1.

    Using spectrophotometry the authors have investigated the state of Os(IV) in hydrochloric acid solutions without maintenance of a constant ionic strength. At 90°C, aquation, hydrolysis, and apparently reduction of Os(IV) to Os(III) take place in the solutions, depending on the HC1 concentration and heating time. Equilibrium is not attained for 400 h.

  2. 2.

    Photochemical aquation and hydrolysis occur in hydrochloric acid solutions of potassium hexachloroosmate. It is shown that aquation of the hexachloroosmate anion takes place in stages and is reversible; successive formation of two thermodynamically stable monoand diaquo complex forms has been established.

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Authors and Affiliations

  1. M. V. Lomonosov Moscow State University, USSR

    V. P. Khvostova, G. I. Kadyrova & I. P. Alimarin

  2. Central Scientific-Research Geological Prospecting Institute for Nonferrous and Noble Metals, Moscow

    V. P. Khvostova, G. I. Kadyrova & I. P. Alimarin

Authors
  1. V. P. Khvostova
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  2. G. I. Kadyrova
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  3. I. P. Alimarin
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Additional information

Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 11, pp. 2418–2422, November, 1977.

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Khvostova, V.P., Kadyrova, G.I. & Alimarin, I.P. The state of osmium(IV) in hydrochloric acid solutions. Russ Chem Bull 26, 2242–2245 (1977). https://doi.org/10.1007/BF00958702

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  • DOI: https://doi.org/10.1007/BF00958702

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