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Article: Oxygen bomb combustion ion chromatography for elemental analysis of heteroatoms in fuel and wastes development

TitleOxygen bomb combustion ion chromatography for elemental analysis of heteroatoms in fuel and wastes development
Authors
KeywordsElemental Analysis
Environmental Analysis
Fuels
Industrial Wastes
Ion Chromatography
Oxygen Bomb Combustion
Issue Date1995
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/aca
Citation
Analytica Chimica Acta, 1995, v. 315 n. 3, p. 347-355 How to Cite?
AbstractAn analytical procedure, oxygen bomb combustion ion chromatography (IC), was developed for the elemental analysis of heteroatoms in fuel and organic wastes. The use of oxygen bomb combustion under elevated oxygen pressure (25 atm) was shown to produce nitrate upon oxidation of atmospheric nitrogen. As the nitrate formed could affect bromide determination, three methods for removing atmospheric nitrogen using evacuation, rinsing and purging procedures were investigated and the best method found is the purging of air by passing oxygen gas at ambient pressure at a rate of 420 ml/min for 5 min which was shown to be able to remove 95% of the nitrates. The use of the more sensitive indirect photometric detection method was investigated for non-suppressed IC determination of anions using the phthalate mobile phase system. Good separation and satisfactory sensitivities were obtained for all the heteroatoms studied. In general, the oxygen bomb IC procedure was shown to give satisfactory results for heteroatom determination except nitrogen which show low recovery (< 50%) and poor repeatability (> 40% R.S.D.) as results of the formation of the insoluble NO and N2 during oxidation. Under the optimised conditions, linear working ranges up to 3 orders of magnitude, good repeatability of less than 2%, low detection limits at sub-μg/ml level, satisfactory retention times up to 16 min and good recoveries of more than 95% were obtained for the heteroatoms investigated. The optimised analytical parameters for the procedure developed for the analysis of fluoride, phosphorus, chloride, bromide, iodide and sulphur are given and discussed.
Persistent Identifierhttp://hdl.handle.net/10722/167533
ISSN
2015 Impact Factor: 4.712
2015 SCImago Journal Rankings: 1.548
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorFung, YSen_US
dc.contributor.authorDao, KLen_US
dc.date.accessioned2012-10-08T03:08:10Z-
dc.date.available2012-10-08T03:08:10Z-
dc.date.issued1995en_US
dc.identifier.citationAnalytica Chimica Acta, 1995, v. 315 n. 3, p. 347-355en_US
dc.identifier.issn0003-2670en_US
dc.identifier.urihttp://hdl.handle.net/10722/167533-
dc.description.abstractAn analytical procedure, oxygen bomb combustion ion chromatography (IC), was developed for the elemental analysis of heteroatoms in fuel and organic wastes. The use of oxygen bomb combustion under elevated oxygen pressure (25 atm) was shown to produce nitrate upon oxidation of atmospheric nitrogen. As the nitrate formed could affect bromide determination, three methods for removing atmospheric nitrogen using evacuation, rinsing and purging procedures were investigated and the best method found is the purging of air by passing oxygen gas at ambient pressure at a rate of 420 ml/min for 5 min which was shown to be able to remove 95% of the nitrates. The use of the more sensitive indirect photometric detection method was investigated for non-suppressed IC determination of anions using the phthalate mobile phase system. Good separation and satisfactory sensitivities were obtained for all the heteroatoms studied. In general, the oxygen bomb IC procedure was shown to give satisfactory results for heteroatom determination except nitrogen which show low recovery (< 50%) and poor repeatability (> 40% R.S.D.) as results of the formation of the insoluble NO and N2 during oxidation. Under the optimised conditions, linear working ranges up to 3 orders of magnitude, good repeatability of less than 2%, low detection limits at sub-μg/ml level, satisfactory retention times up to 16 min and good recoveries of more than 95% were obtained for the heteroatoms investigated. The optimised analytical parameters for the procedure developed for the analysis of fluoride, phosphorus, chloride, bromide, iodide and sulphur are given and discussed.en_US
dc.languageengen_US
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/acaen_US
dc.relation.ispartofAnalytica Chimica Actaen_US
dc.subjectElemental Analysisen_US
dc.subjectEnvironmental Analysisen_US
dc.subjectFuelsen_US
dc.subjectIndustrial Wastesen_US
dc.subjectIon Chromatographyen_US
dc.subjectOxygen Bomb Combustionen_US
dc.titleOxygen bomb combustion ion chromatography for elemental analysis of heteroatoms in fuel and wastes developmenten_US
dc.typeArticleen_US
dc.identifier.emailFung, YS:ysfung@hku.hken_US
dc.identifier.authorityFung, YS=rp00697en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1016/0003-2670(95)00317-Sen_US
dc.identifier.scopuseid_2-s2.0-0028884605en_US
dc.identifier.hkuros20048-
dc.identifier.volume315en_US
dc.identifier.issue3en_US
dc.identifier.spage347en_US
dc.identifier.epage355en_US
dc.identifier.isiWOS:A1995TE16800012-
dc.publisher.placeNetherlandsen_US
dc.identifier.scopusauthoridFung, YS=13309754700en_US
dc.identifier.scopusauthoridDao, KL=7006126314en_US

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