Zinc hydroxide sulphate and its transformation to crystalline zinc oxide

Moezzi, A; Cortie, MB; McDonagh, AM

Zinc hydroxide sulphate and its transformation to crystalline zinc oxide

Moezzi, A Cortie, MB

McDonagh, AM

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Publication Type:: Journal Article
Citation:: Dalton Transactions, 2013, 42 (40), pp. 14432 - 14437
Issue Date:: 2013-10-28

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Field	Value	Language
dc.contributor.author	Moezzi, A	en_US
dc.contributor.author	Cortie, MB https://orcid.org/0000-0003-3202-6398	en_US
dc.contributor.author	McDonagh, AM https://orcid.org/0000-0002-9502-1175	en_US
dc.date.issued	2013-10-28	en_US
dc.identifier.citation	Dalton Transactions, 2013, 42 (40), pp. 14432 - 14437	en_US
dc.identifier.issn	1477-9226	en_US
dc.identifier.uri	http://hdl.handle.net/10453/32185
dc.description.abstract	The thermal transformation of zinc hydroxide sulphate hydrate to zinc oxide has been examined using synchrotron X-ray diffraction, thermogravimetric analysis, scanning electron microscopy, and surface area measurements. By collecting X-ray diffraction data in situ, we found that the dehydration of zinc hydroxide sulphate pentahydrate proceeded in discrete steps to form anhydrous zinc hydroxide sulphate. This compound then decomposed to a mixture of zinc oxide and a compound tentatively identified as Zn3(OH) 2(SO4)2 at ∼235 °C. At ∼360 °C, the final dehydroxylation occurred with the formation of zinc oxy-sulphate, Zn3O(SO4)2, which then decomposed to ZnO at about ∼800 °C. Interruption of the dehydration process can be used to synthesize the intermediate compounds. © 2013 The Royal Society of Chemistry.	en_US
dc.relation.ispartof	Dalton Transactions	en_US
dc.relation.isbasedon	10.1039/c3dt51638e	en_US
dc.subject.classification	Inorganic & Nuclear Chemistry	en_US
dc.title	Zinc hydroxide sulphate and its transformation to crystalline zinc oxide	en_US
dc.type	Journal Article
utslib.citation.volume	40	en_US
utslib.citation.volume	42	en_US
utslib.for	0302 Inorganic Chemistry	en_US
utslib.for	0307 Theoretical and Computational Chemistry	en_US
utslib.for	0399 Other Chemical Sciences	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Science
pubs.organisational-group	/University of Technology Sydney/Faculty of Science/School of Mathematical and Physical Sciences
pubs.organisational-group	/University of Technology Sydney/Strength - CCET - Centre for Clean Energy Technology
utslib.copyright.status	closed_access
pubs.issue	40	en_US
pubs.publication-status	Published	en_US
pubs.volume	42	en_US

Abstract:

The thermal transformation of zinc hydroxide sulphate hydrate to zinc oxide has been examined using synchrotron X-ray diffraction, thermogravimetric analysis, scanning electron microscopy, and surface area measurements. By collecting X-ray diffraction data in situ, we found that the dehydration of zinc hydroxide sulphate pentahydrate proceeded in discrete steps to form anhydrous zinc hydroxide sulphate. This compound then decomposed to a mixture of zinc oxide and a compound tentatively identified as Zn3(OH) 2(SO4)2 at ∼235 °C. At ∼360 °C, the final dehydroxylation occurred with the formation of zinc oxy-sulphate, Zn3O(SO4)2, which then decomposed to ZnO at about ∼800 °C. Interruption of the dehydration process can be used to synthesize the intermediate compounds. © 2013 The Royal Society of Chemistry.

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http://hdl.handle.net/10453/32185