Discussion Category:  X-ray Fluorescence

Cobalt and Iron interference

I want to know if there is an analytical method to quantitatively seperate about 100 microgram per litre of Cobalt from about 50miligram per litre of IronĀ  in the same liquid sample before analysis in an XRF spectrometry. Without seperation,the K (beta) lines of Fe strongly overlap the K (alpha) lines of Co hence the recovery of Co is only about 60%. I am interested in the Cobalt not the Iron.

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