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dc.contributor.authorSohail, M.
dc.contributor.authorDe Marco, Roland
dc.contributor.authorLamb, K.
dc.contributor.authorBakker, E.
dc.date.accessioned2017-01-30T12:51:42Z
dc.date.available2017-01-30T12:51:42Z
dc.date.created2016-04-19T19:30:35Z
dc.date.issued2012
dc.identifier.citationSohail, M. and De Marco, R. and Lamb, K. and Bakker, E. 2012. Thin layer coulometric determination of nitrate in fresh waters. Analytica Chimica Acta. 744: pp. 39-44.
dc.identifier.urihttp://hdl.handle.net/20.500.11937/26104
dc.identifier.doi10.1016/j.aca.2012.07.026
dc.description.abstract

A nitrate ion-selective electrode (ISE) employing a permeable tubular membrane impregnated with a conventional ISE cocktail has been used successfully in the coulometric analysis of nitrate in fresh waters. The liquid ISE membrane comprising a nitrate ionophore [tridodecylmethylammonium nitrate (TDMAN)], lipophilic electrolyte [tetradodecyl-ammoniumtetrakis(4-chlorophenyl)borate (ETH 500)] and plasticizer [bis(3-ethyl-hexyl)sebacate (DOS)] was supported on a porous polypropylene tube. Coulometric analysis with the tubular membrane ISE showed that nitrate could be detected in the range 10-100µM with a precision of 2.3% relative standard deviation (RSD), limit of detection of 1.1µM and relative accuracy of 4.4% compared to a certified reference material (CRM) Lake sample.

dc.publisherElsevier
dc.titleThin layer coulometric determination of nitrate in fresh waters
dc.typeJournal Article
dcterms.source.volume744
dcterms.source.startPage39
dcterms.source.endPage44
dcterms.source.issn0003-2670
dcterms.source.titleAnalytica Chimica Acta
curtin.departmentDepartment of Chemistry
curtin.accessStatusFulltext not available


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