On-line isotope dilution and sample dilution by flow injection and inductively coupled plasma mass spectrometry

Abstract
A systematic investigation was made to demonstrate the applicability of a flow injection system for on-line isotope dilution and on-line sample dilution, as obtained by merging the sample solution with the spike solution or with the diluent, respectively. The effect of the sample to spike ratio on the precision and accuracy was examined, and the advantages and limitations of the proposed technique are demonstrated.

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