The speciation of trivalent – Cr(III) – and hexavalent – Cr(VI) – chromium is important due to the toxic nature of the latter. Here, the two species are separated as Cr(III)-EDTA complex and chromate on a Metrosep Carb 2 - 100/2.0 column. This microbore column requires no flow splitting and allows direct injection into the ICP/MS for detection.
Results
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