NDLI: Post-discharge kinetics associated with a plasmachemical nucleophilic substitution and application to the analysis of plasma activated CO

Content Provider	Springer Nature Link
Author	Doubla, Avaly Brisset, Jean Louis
Copyright Year	2005
Abstract	The UV-visible absorbance spectra of aqueous solutions of pentacyano (N.methyl pyrazinium) ferrate(II) complex exposed to the flux of neutral activated species of a DC corona discharge in CO at atmospheric pressure are deeply modified: the blue color of the starting complex fades, which is not observed in ordinary conditions. The overall kinetic law is found to be zero-order and interpreted in terms of ligand exchange reaction (i.e., a nucleophilic substitution reaction induced by D.C. corona discharge) by comparison with literature result relevant to the exchange of other ligands in solution. Additionally, post-discharge phenomena induced by the plasma treatment are also observed. They obey an overall 1st order kinetic law under our working conditions. The influence of the most salient working parameters on the post discharge kinetic rate is examined. The electric power provided to the discharge is probably the most important factor for controlling the post-discharge kinetic rate. The results obtained also suggest a new analytical technique to quantify activated CO.
Starting Page	77
Ending Page	85
Page Count	9
File Format	PDF
ISSN	0021891X
Journal	Journal of Applied Electrochemistry
Volume Number	36
Issue Number	1
e-ISSN	15728838
Language	English
Publisher	Springer Netherlands
Publisher Date	2005-09-29
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	carbon monoxide D.C. corona discharge nucleophilic substitution reactions pentacyano(carbonyl)ferrate [II] post-discharge reaction Industrial Chemistry/Chemical Engineering Physical Chemistry Electrochemistry
Content Type	Text
Resource Type	Article
Subject	Materials Chemistry Chemical Engineering Electrochemistry

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