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A further study on a newly developed flow injection (FI) on-line multiplexed sorption preconcentration (MSP) using a knotted reactor coupled with flame atomic absorption spectrometry (FAAS) was carried out to demonstrate its applicability and limitation for trace element determination. For this purpose, Cr(VI), Cu(II), Ni(II) and Co(II) were selected as the analytes, and detailed comparison was made...
This article presents the state of the art of flow injection (FI) on-line preconcentration and separation based on sorption of organo-metallic complexes on the wall of a knotted reactor (KR) coupled with atomic (mass) spectrometry for trace element (speciation) analysis. In the last 7 years the KR has been successfully exploited as sorption medium, and demonstrated to be an attractive alternative...
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