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A method developed to determine organic and inorganic selenium species in human urine samples is presented in detail. After a simple sample treatment based on elimination of non-charged organic compounds, selenium species were separated by high performance liquid chromatography (HPLC) on a Spherisorb 5 ODS/AMINO column using two different chromatographic conditions: phosphate buffers at pH 2.8 and...
The mandate assigned by the European Union to the Community Reference Laboratory for residues at the Istituto Superiore di Sanita covers, among other things, the assessment of trace elements in living animals as well as their products. To better protect the health of the consumer, this task aims in particular at harmonizing the procedures in use at the National Reference Laboratories (NRLs) for residues...
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