STUDIES ON THE SOLID STATE REACTION OF COORDINATION COMPOUNDS——ⅩⅩⅣ.MASS SPECTROMETRIC INVESTIGATION OF THERMAL DECOMPOSITION OF PENTACYANOFERRATE(Ⅱ)COMPLEXES

Chinese Journal of Applied Chemistry ›› 1988, Vol. 0 ›› Issue (5): 10-15.

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STUDIES ON THE SOLID STATE REACTION OF COORDINATION COMPOUNDS——ⅩⅩⅣ.MASS SPECTROMETRIC INVESTIGATION OF THERMAL DECOMPOSITION OF PENTACYANOFERRATE(Ⅱ)COMPLEXES

Xie yuming, Xin Xinquan, Dai Anbang

Coordination Chemistry Research Institute, Nanjing University

Received:1987-08-18 Revised:1987-11-23 Published:1988-10-10 Online:1988-10-10

Abstract

Abstract: The thermal decomposition of pentacyanoferratecomplexes Na_x[Fe(CN)₅L]·yH₂O (L=NO⁺,N₂H₅⁺,enH⁺,NH₃,H₂O,pyridine,SO₃)in vacuum has been investigated by quadrupole mass spectrometry as well as Mössbauer spectroscopy to detect the intermediate solid products during the decomposition.The mechanism of thermal decomposition is elucidated and it is found that the thermal stability of these complexes was ordered in accordance with the spectrochemieal series.Kinetic study on the decomposition showed that there is a linear relationship between the decomposition activation energies and the temperatures at which the ligand L lost.

Key words: Quadrupole mass spectrometry, Mössbauer spectroscopy, Pentacyanoferrate(Ⅱ)complexes, Thermal decomposition, Thermal decomposition kinetics

Xie yuming, Xin Xinquan, Dai Anbang. STUDIES ON THE SOLID STATE REACTION OF COORDINATION COMPOUNDS——ⅩⅩⅣ.MASS SPECTROMETRIC INVESTIGATION OF THERMAL DECOMPOSITION OF PENTACYANOFERRATE(Ⅱ)COMPLEXES[J]. Chinese Journal of Applied Chemistry, 1988, 0(5): 10-15.

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STUDIES ON THE SOLID STATE REACTION OF COORDINATION COMPOUNDS——ⅩⅩⅣ.MASS SPECTROMETRIC INVESTIGATION OF THERMAL DECOMPOSITION OF PENTACYANOFERRATE(Ⅱ)COMPLEXES

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