Linked Life Data

9761195

Source:http://linkedlifedata.com/resource/pubmed/id/9761195

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
12
pubmed:dateCreated
1998-12-11
pubmed:abstractText
A capillary electrophoresis (CE)-indirect fluorescence detection method for arsenic compounds is described. The five arsenic species, viz., arsenite (As(III)), arsenate (As(V)), monomethylarsonate (MMA), dimethylarsinate (DMA) and phenylarsonate (PhA), were efficiently separated by CE in 8 min with an 1.5 mM fluorescein solution at pH 9.8. Fluorescein also functioned as a background fluorophore for the indirect detection of these nonfluorescent arsenic species. Linearity (r> or =0.996) of more than two orders of magnitude was generally obtained. The relative standard deviation (RSD) values were in the ranges 0.4-0.7% and 2.2-8.2% for migration times and peak areas, respectively. The concentration limits of detection (CLODs) for the arsenic compounds studied were between 0.04 and 0.16 microg/mL (as arsenic). The detection sensitivity was generally dependent upon the transfer ratio (TR, defined as the number of moles of fluorescein ions displaced by one mole of analyte ions) of each arsenic species. The applicability of the method for the analysis of ground water was examined.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Sep
pubmed:issn
0173-0835
pubmed:author
pubmed:issnType
Print
pubmed:volume
19
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
2140-4
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
1998
pubmed:articleTitle
Capillary electrophoresis of arsenic compounds with indirect fluorescence detection.
pubmed:affiliation
Department of Chemistry, Tunghai University, Taichung, Taiwan.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't