Thermodynamic study of some chromium‐containing gaseous molecules by high‐temperature mass spectrometry | Zendy

Lopatin S. I. | Zendy; Shugurov S. M. | Zendy; Semenov G. A. | Zendy

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Thermodynamic study of some chromium‐containing gaseous molecules by high‐temperature mass spectrometry

Author(s) -

Lopatin S. I.,

Shugurov S. M.,

Semenov G. A.

Publication year - 2003

Publication title -

rapid communications in mass spectrometry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.528

H-Index - 136

eISSN - 1097-0231

pISSN - 0951-4198

DOI - 10.1002/rcm.1266

Subject(s) - chemistry , chromium , mass spectrometry , tungsten , molybdenum , molecule , knudsen number , analytical chemistry (journal) , inorganic chemistry , organic chemistry , chromatography , thermodynamics , physics

A number of gaseous oxyacid salts have been identified by Knudsen effusion mass spectrometry, while vaporizing Cr 2 O 3 and mixtures of Cr 2 O 3 +Nb 2 O 5 , Cr 2 O 3 +Ta 2 O 5 , Cr 2 O 3 +BaO, and Cr 2 O 3 +Mg 2 P 2 O 7 from molybdenum and tungsten cells. The stabilities of the gaseous molecules CrMoO 3 , CrMoO 4 , CrMoO 5 , CrWO 3 , CrWO 4 , CrWO 5 , CrNbO 3 , CrTaO 3 , CrPO 2 , CrPO 3 , BaCrO 2 and BaCrO 3 were deduced from the measurements. The thermodynamic properties of this gaseous chromium‐containing species are summarized. Prediction is tentatively made of the stability of as‐yet unstudied gaseous molecules. Copyright © 2003 John Wiley & Sons, Ltd.

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