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A multi-collector ICP-MS instrument was evaluated for the on-line measurement of sulfur isotope ratios during the liquid chromatographic separation of sulfur metabolites in mouse urine after the oral administration of 34 S-labelled yeast. The multi-collector instrument used was equipped with both...
A very sensitive method has been developed for the determination of selenium (Se( iv )) utilizing continuous UV-photochemical vapour generation followed by in situ trapping and atomization of the generated volatile compounds in the graphite tube atomizer. Formic acid was chosen as a photochemical...