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Kinetics of superoxide ion in dimethyl sulfoxide containing ionic liquids

The chemical generation of superoxide ion (O-2 (aEuro cent a')) by dissolving potassium superoxide was investigated. The chemically generated O-2 (aEuro cent a') was then used to study the long-term stability of O-2 (aEuro cent a') in dimethyl sulfoxide (DMSO) containing ionic liquids...

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Main Authors:	Hayyan, M., Hashim, M.A., AlNashef, I.M.
Format:	Article
Language:	English
Published:	Springer Verlag (Germany) 2015
Subjects:	T Technology (General) TA Engineering (General). Civil engineering (General) TP Chemical technology
Online Access:	http://eprints.um.edu.my/14014/1/Kinetics_of_superoxide_ion_in_dimethyl_sulfoxide_containing_ionic.pdf http://eprints.um.edu.my/14014/ http://link.springer.com/article/10.1007%2Fs11581-014-1224-y
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spelling	my.um.eprints.140142015-09-01T08:06:59Z http://eprints.um.edu.my/14014/ Kinetics of superoxide ion in dimethyl sulfoxide containing ionic liquids Hayyan, M. Hashim, M.A. AlNashef, I.M. T Technology (General) TA Engineering (General). Civil engineering (General) TP Chemical technology The chemical generation of superoxide ion (O-2 (aEuro cent a')) by dissolving potassium superoxide was investigated. The chemically generated O-2 (aEuro cent a') was then used to study the long-term stability of O-2 (aEuro cent a') in dimethyl sulfoxide (DMSO) containing ionic liquids (ILs) and determine the rate constants based on pseudo 1st- and 2nd-order reactions between the IL and O-2 (aEuro cent a') generated in DMSO. O-2 (aEuro cent a') was unstable in DMSO containing S-222TFSI, DMImMS, BDMImTfO, EMImTFSI, EMImMS, P-14,P-666TPTP, P-14,P-666TFSI, and all pyridinium-based ILs. In contrast, O-2 (aEuro cent a') was very stable in DMSO containing MOPMPipTFSI, BMPyrrDCA, BMPyrrTFSI, BMPyrrTfO, HMPyrrTFSI, MOEMPipTPTP, BMPyrrTFA, N-112,1O(2)TFSI, and MOEMMorTFSI. This shows that these ILs can be used for different applications involving O-2 (aEuro cent a'). The reaction rate constant, total consumption, and consumption rate of O-2 (aEuro cent a') were determined. The rate constants of O-2 (aEuro cent a') in some ILs were found to follow pseudo 1st-order reaction, while in others, pseudo 2nd-order reaction kinetics were observed. Springer Verlag (Germany) 2015-03 Article PeerReviewed application/pdf en http://eprints.um.edu.my/14014/1/Kinetics_of_superoxide_ion_in_dimethyl_sulfoxide_containing_ionic.pdf Hayyan, M. and Hashim, M.A. and AlNashef, I.M. (2015) Kinetics of superoxide ion in dimethyl sulfoxide containing ionic liquids. Ionics, 21 (3). pp. 719-728. ISSN 0947-7047 http://link.springer.com/article/10.1007%2Fs11581-014-1224-y DOI: 10.1007/s11581-014-1224-y
institution	Universiti Malaya
building	UM Library
collection	Institutional Repository
continent	Asia
country	Malaysia
content_provider	Universiti Malaya
content_source	UM Research Repository
url_provider	http://eprints.um.edu.my/
language	English
topic	T Technology (General) TA Engineering (General). Civil engineering (General) TP Chemical technology
spellingShingle	T Technology (General) TA Engineering (General). Civil engineering (General) TP Chemical technology Hayyan, M. Hashim, M.A. AlNashef, I.M. Kinetics of superoxide ion in dimethyl sulfoxide containing ionic liquids
description	The chemical generation of superoxide ion (O-2 (aEuro cent a')) by dissolving potassium superoxide was investigated. The chemically generated O-2 (aEuro cent a') was then used to study the long-term stability of O-2 (aEuro cent a') in dimethyl sulfoxide (DMSO) containing ionic liquids (ILs) and determine the rate constants based on pseudo 1st- and 2nd-order reactions between the IL and O-2 (aEuro cent a') generated in DMSO. O-2 (aEuro cent a') was unstable in DMSO containing S-222TFSI, DMImMS, BDMImTfO, EMImTFSI, EMImMS, P-14,P-666TPTP, P-14,P-666TFSI, and all pyridinium-based ILs. In contrast, O-2 (aEuro cent a') was very stable in DMSO containing MOPMPipTFSI, BMPyrrDCA, BMPyrrTFSI, BMPyrrTfO, HMPyrrTFSI, MOEMPipTPTP, BMPyrrTFA, N-112,1O(2)TFSI, and MOEMMorTFSI. This shows that these ILs can be used for different applications involving O-2 (aEuro cent a'). The reaction rate constant, total consumption, and consumption rate of O-2 (aEuro cent a') were determined. The rate constants of O-2 (aEuro cent a') in some ILs were found to follow pseudo 1st-order reaction, while in others, pseudo 2nd-order reaction kinetics were observed.
format	Article
author	Hayyan, M. Hashim, M.A. AlNashef, I.M.
author_facet	Hayyan, M. Hashim, M.A. AlNashef, I.M.
author_sort	Hayyan, M.
title	Kinetics of superoxide ion in dimethyl sulfoxide containing ionic liquids
title_short	Kinetics of superoxide ion in dimethyl sulfoxide containing ionic liquids
title_full	Kinetics of superoxide ion in dimethyl sulfoxide containing ionic liquids
title_fullStr	Kinetics of superoxide ion in dimethyl sulfoxide containing ionic liquids
title_full_unstemmed	Kinetics of superoxide ion in dimethyl sulfoxide containing ionic liquids
title_sort	kinetics of superoxide ion in dimethyl sulfoxide containing ionic liquids
publisher	Springer Verlag (Germany)
publishDate	2015
url	http://eprints.um.edu.my/14014/1/Kinetics_of_superoxide_ion_in_dimethyl_sulfoxide_containing_ionic.pdf http://eprints.um.edu.my/14014/ http://link.springer.com/article/10.1007%2Fs11581-014-1224-y
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score	13.211869

Kinetics of superoxide ion in dimethyl sulfoxide containing ionic liquids

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