Please use this identifier to cite or link to this item: https://scholarbank.nus.edu.sg/handle/10635/93398
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dc.titleCopper(II) diethyldithiocarbamate modified carbon paste electrode for highly selective accumulation of cysteine
dc.contributor.authorGuo, S.X.
dc.contributor.authorKhoo, S.B.
dc.date.accessioned2014-10-16T08:23:53Z
dc.date.available2014-10-16T08:23:53Z
dc.date.issued1999
dc.identifier.citationGuo, S.X.,Khoo, S.B. (1999). Copper(II) diethyldithiocarbamate modified carbon paste electrode for highly selective accumulation of cysteine. Analytical Letters 32 (4) : 689-700. ScholarBank@NUS Repository.
dc.identifier.issn00032719
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/93398
dc.description.abstractA Cu(II)-diethyldithiocarbamate modified carbon paste electrode was found to be highly selective for cysteine accumulation. Of the simple amino acids, only histidine interfered at 10 times the concentration of cysteine. Thiourea and thiocyanate ion interfered only when their concentrations were 30 times and 10 times greater than that of cysteine. The detection limit using differential pulse anodic stripping was 2.00 x 10-6 mol l-1 cysteine and the determination of 5.00 x 10-5 mol l-1 cysteine gave a precision of 3.95% (r.s.d., n = 8).
dc.sourceScopus
dc.subjectCopper diethyldithiocarbamate
dc.subjectCysteine
dc.subjectDifferential pulse anodic
dc.subjectModified carbon paste electrode
dc.subjectStripping
dc.typeArticle
dc.contributor.departmentCHEMISTRY
dc.description.sourcetitleAnalytical Letters
dc.description.volume32
dc.description.issue4
dc.description.page689-700
dc.description.codenANALB
dc.identifier.isiutNOT_IN_WOS
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