- PII
- S0044453725050156-1
- DOI
- 10.31857/S0044453725050156
- Publication type
- Article
- Status
- Published
- Authors
- Volume/ Edition
- Volume 99 / Issue number 5
- Pages
- 800-812
- Abstract
- Thermal decomposition processes in the range from room temperature to 400°C of copper(II) oxalate CuCO·½HO and potassium oxalate cuprate(II) KCu(CO)·2HO in vacuum at the residual pressure 10 mm Hg with XPS and Auger spectra recorded are studied. An X-ray photoelectron spectrometer with a magnetic energy analyzer is used. The analysis of XPS and Auger spectroscopy data shows that thermal decomposition of CuCO·½HO involves the stages of detachment of crystallization water (150–265°C), CO (265–285°C) with an unstable intermediate product formed and decomposed at 285°C with the metallic copper residue formed with admixture of 11–13 mol. % of copper(I) oxide. Thermal decomposition of KCu(CO)·2HO involves the stages of elimination of crystallization water (85–120°C) and decomposition of the obtained anhydrous oxalate with elimination of CO and CO (250–290°C).
- Keywords
- оксалат меди(II) оксалатокупрат(II) калия термическое разложение РФЭС
- Date of publication
- 15.11.2024
- Year of publication
- 2024
- Number of purchasers
- 0
- Views
- 11
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