Selective determination of bromide and iodide in serum and urine by gas chromatography |
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| Authors: | Wolfgang Buchberger Ursula Huebauer |
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| Affiliation: | (1) Department of Analytical Chemistry, Johannes-Kepler-University, A-4040 Linz, Austria;(2) Department of Chemistry, Paracelsus-Institute, A-4540 Bad Hall, Austria |
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| Abstract: | A gas chromatographie method with electron capture detection is described for the simultaneous determination of bromide and iodide in biological matrices such as serum and urine. Samples are purified by passing them through a disposable C-18 reversed phase silica cartridge; bromide and iodide are derivatized in acid medium to 2-bromoethanol and 2-iodoethanol by ethylene oxide and the derivatives are extraced into ethyl acetate. Detection limits are in the low ng/ml-range. |
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| Keywords: | bromide iodide serum urine gas chromatography |
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