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Article: X1 1 For part IX see ref. 34.. Thermogravimetric and quantitative studies of the oxidative decarbonylation of tungsten hexacarbonyl

TitleX1 1 For part IX see ref. 34.. Thermogravimetric and quantitative studies of the oxidative decarbonylation of tungsten hexacarbonyl
Authors
Issue Date1989
Citation
Journal of Organometallic Chemistry, 1989, v. 373, n. 2, p. 221-228 How to Cite?
AbstractThermogravimetric and Derivative Thermogravimetric Analyses have been carried out on different stoichiometric mixtures of W(CO)6 and (CH3)3NO·2H2O (TMNO) under nitrogen. The stuides indicate that the optimum reactant ratio (W:TMNO) is close to 1:4, at which there is a single-step weight loss in the region 50-90°C and a residue (ca. 13%) is left. The rapid loss in weight is attributed to the ready decomposition of the primary product W(CO)6-n(Me3N)n (n>1). At W : TMNO ratios, 1 : n, where n is smaller or greater than four, unchanged W(CO)6 on TMNO, respectively, were observed from the thermal profiles. The liberation of CO2 was quantified during separate experiments. The amount of gas released is proportional to the concentration of TMNO present. When the latter is present in a 15-fold excess, four moles of CO2 are released per mole of the parent hexacarbonyl. © 1989.
Persistent Identifierhttp://hdl.handle.net/10722/219406
ISSN
2015 Impact Factor: 2.336
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DC FieldValueLanguage
dc.contributor.authorHor, T. S Andy-
dc.contributor.authorChan, Hardy S O-
dc.contributor.authorLeong, Ying Phooi-
dc.contributor.authorTan, Mei Mei-
dc.date.accessioned2015-09-23T02:56:59Z-
dc.date.available2015-09-23T02:56:59Z-
dc.date.issued1989-
dc.identifier.citationJournal of Organometallic Chemistry, 1989, v. 373, n. 2, p. 221-228-
dc.identifier.issn0022-328X-
dc.identifier.urihttp://hdl.handle.net/10722/219406-
dc.description.abstractThermogravimetric and Derivative Thermogravimetric Analyses have been carried out on different stoichiometric mixtures of W(CO)6 and (CH3)3NO·2H2O (TMNO) under nitrogen. The stuides indicate that the optimum reactant ratio (W:TMNO) is close to 1:4, at which there is a single-step weight loss in the region 50-90°C and a residue (ca. 13%) is left. The rapid loss in weight is attributed to the ready decomposition of the primary product W(CO)6-n(Me3N)n (n>1). At W : TMNO ratios, 1 : n, where n is smaller or greater than four, unchanged W(CO)6 on TMNO, respectively, were observed from the thermal profiles. The liberation of CO2 was quantified during separate experiments. The amount of gas released is proportional to the concentration of TMNO present. When the latter is present in a 15-fold excess, four moles of CO2 are released per mole of the parent hexacarbonyl. © 1989.-
dc.languageeng-
dc.relation.ispartofJournal of Organometallic Chemistry-
dc.titleX1 1 For part IX see ref. 34.. Thermogravimetric and quantitative studies of the oxidative decarbonylation of tungsten hexacarbonyl-
dc.typeArticle-
dc.description.natureLink_to_subscribed_fulltext-
dc.identifier.doi10.1016/0022-328X(89)85047-8-
dc.identifier.scopuseid_2-s2.0-0001695108-
dc.identifier.volume373-
dc.identifier.issue2-
dc.identifier.spage221-
dc.identifier.epage228-

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