Inorganic Materials

, Volume 54, Issue 12, pp 1299–1307 | Cite as

Solid-State Thermal Transformations in a Mixture of Palladium Tetraammine Dichloride with Ammonium Chromate

  • E. V. FesikEmail author
  • T. M. Buslaeva
  • T. I. Mel’nikova
  • L. S. Tarasova


Solid-state transformations of a 3[Pd(NH3)4]Cl2 + (NH4)2CrO4 mixture at temperatures from 40 to 550°C in various media have been studied by thermal analysis and mass spectrometry. The results demonstrate that the solid thermolysis product obtained in an argon atmosphere consists of a single phase: palladium-based Pd1 – xCrx solid solution isostructural with palladium and having a unit-cell parameter a = 3.897(2) Å. Its formation proceeds through the formation of metallic Pd and Cr, as evidenced by the absence of chromium oxide phases in all of the solid intermediate thermolysis products. The solid thermolysis product obtained in air consists of the phases Pd and PdO. A model has been proposed for the transformations of the 3[Pd(NH3)4]Cl2 + (NH4)2CrO4 mixture through the formation of metallic palladium and chromium.


palladium chromium bimetallic particles catalysts thermolysis solid solution 



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© Pleiades Publishing, Inc. 2018

Authors and Affiliations

  • E. V. Fesik
    • 1
    • 2
    Email author
  • T. M. Buslaeva
    • 3
  • T. I. Mel’nikova
    • 4
  • L. S. Tarasova
    • 5
  1. 1.Samara National Research UniversitySamaraRussia
  2. 2.Reaviz Medical UniversitySamaraRussia
  3. 3.Lomonosov Institute of Fine Chemical Technologies, Moscow Institute of Radio Engineering, Electronics, and Automation (Russian Technological University)MoscowRussia
  4. 4.Chemical and Ecological Education Promotion Nonprofit PartnershipMoscowRussia
  5. 5.Krasnoyarsk Scientific Center Federal Research Center, Siberian Branch, Russian Academy of SciencesKrasnoyarskRussia

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