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Analysis of Inorganic Acids by Capillary Zone Electrophoresis
Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
1998, v.11 no.3, pp.213-221
Park,
S., Jin,
K., You,
J., Kim,
D., Seo,
B., &
Kim,
Y.
(1998). Analysis of Inorganic Acids by Capillary Zone Electrophoresis. Analytical Science and Technology, 11(3), 213-221.
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Abstract
The determination of inorganic anions by capillary zone electrophoresis is reported. A ten component synthetic mixture of anions of bromide, chloride, fluoride, nitrite, nitrate, sulfite, sulfate, perchlorate, chlorate and chlorite was separated by the capillary column and detected by indirect UV method. The running buffer contained 5 mM ammonium dichromate, 10 mM ammonium acetate, 20 mM diethylenetriamine, 10% methanol solution at pH 9.3. A potential of 15 kV at the cathode (reversed polarity) was utilized for the separation of inorganic anions. A complete separation of anions was achieved in less then 10 min and the applicabilities of the method for the analysis of real samples was demonstrated. We compare the concentration of anions in toluene inhaled humen's urine and in postmortem bloods obtained by capillary zone electrophoresis and ion chromatograph.
- keywords
- Inorganic anions, capillary zone electrophoresis, indirect UV detection
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