Journal article
Ion analysis by capillary zone electrophoresis with indirect injection: applications in the nuclear power industry
Analyst, v 123(7), pp 1465-1469
1998
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Abstract
Capillary zone electrophoresis (CZE) was used for the determination of trace level inorganic ions and its applicability in the power industry investigated. Detection of Cl
-
, SO
4
2-
and NO
3
-
was accomplished by using a background electrolyte consisting of 7.0 m
M
CrO
4
2-
, 0.5 m
M
TTAB and 1.0 m
M
NaHCO
3
. To enhance electrokinetic injection, transient isotachophoretic conditions were employed by the addition of 100 µl of 70 m
M
sodium octanesulfonate to 100 ml of sample. The addition of a 20 µg l
-1
aliquot of tungstate was used as an internal standard to limit possible electrokinetic injection biases. In addition, 150 µm extended path length capillaries were investigated for improving detection limits. Detection limits obtained
via
CZE were comparable to those given by ion chromatography (IC) with the use of the extended path capillaries. CZE results obtained were 0.38, 0.54 and 0.75 µg l
-1
for Cl
-
, SO
4
2-
and NO
3
-
,
respectively, while IC results were 0.10, 0.30 and 0.25 µg l
-1
. The advantages of using CZE as opposed to IC for the analysis of inorganic anions in power plant reactor water are discussed.
Metrics
Details
- Title
- Ion analysis by capillary zone electrophoresis with indirect injection: applications in the nuclear power industry
- Creators
- Randall LewisEric AhujaJoe Foley
- Publication Details
- Analyst, v 123(7), pp 1465-1469
- Publisher
- Royal Society of Chemistry
- Number of pages
- 5
- Resource Type
- Journal article
- Academic Unit
- Chemistry
- Web of Science ID
- WOS:000074920200008
- Scopus ID
- 2-s2.0-0031869434
- Other Identifier
- 991021906170304721
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- Collaboration types
- Industry collaboration
- Domestic collaboration
- Web of Science research areas
- Chemistry, Analytical