dc.contributorUniversidade Estadual Paulista (UNESP)
dc.creatorHiratsuka, Renato Satoshi
dc.creatorSantilli, Celso Valentim
dc.creatorSilva, Dileize Valeriano
dc.creatorPulcinelli, Sandra Helena
dc.date2014-05-27T11:17:29Z
dc.date2016-10-25T18:13:00Z
dc.date2014-05-27T11:17:29Z
dc.date2016-10-25T18:13:00Z
dc.date1992-12-01
dc.date.accessioned2017-04-06T00:44:17Z
dc.date.available2017-04-06T00:44:17Z
dc.identifierJournal of Non-Crystalline Solids, v. 147-148, n. C, p. 67-73, 1992.
dc.identifier0022-3093
dc.identifierhttp://hdl.handle.net/11449/64293
dc.identifierhttp://acervodigital.unesp.br/handle/11449/64293
dc.identifier10.1016/S0022-3093(05)80595-2
dc.identifier2-s2.0-4243340255
dc.identifierhttp://dx.doi.org/10.1016/S0022-3093(05)80595-2
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/886183
dc.descriptionElectrolytes may modify the physical-chemical characteristics of colloidal particle interfaces in suspension, which can favour gel or aggregate formation. The influence of NH4Cl loading on the aggregation and gelation of SnO2 colloidal suspensions was investigated using measurements of rheology, turbidity and infrared spectra. A rapid aggregate growth for samples with Cl- > 20 mM was observed. With increasing age, gelation was observed due to formation of interaggregate bonds. For concentration of Cl- between 20 and 9 mM, the aggregation process was slower allowing the formation of gel with a network which was not destroyed as the gel was submitted to a small rate of shear. As aging continues, the condensation reaction between OH groups gave rise to the formation of Sn-O bonds, irrespective of the electrolyte loading. © 1992 Elsevier Science Publishers B.V. All rights reserved.
dc.languageeng
dc.relationJournal of Non-Crystalline Solids
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectColloids
dc.subjectElectrolytes
dc.subjectGelation
dc.subjectOxides
dc.subjectSol-gels
dc.subjectSuspensions (fluids)
dc.subjectTin Compounds
dc.subjectElectrolyte loading effect
dc.subjectSuspension aggregation
dc.subjectSuspension gelation
dc.subjectTin oxide
dc.subjectGels
dc.titleEffect of electrolyte on the gelation and aggregation of SnO2 colloidal suspensions
dc.typeOtro


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