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Determination of total lead and lead isotope ratios in natural waters by inductively coupled plasma time-of-flight mass spectrometry after flow injection on-line preconcentration


Determination of total lead and lead isotope ratios in natural waters by inductively coupled plasma time-of-flight mass spectrometry after flow injection on-line preconcentration



Analytica Chimica Acta 506(2): 137-144



ISSN/ISBN: 0003-2670

DOI: 10.1016/j.aca.2003.11.007

An on-line flow injection (FI) preconcentration method is developed for the determination of total lead and lead isotope ratios in natural waters by inductively coupled plasma time-of-flight mass spectrometry (ICP-TOFMS). This method yields a 20-fold enrichment compared to the direct FI determination and provides improved isotope ratio precision.

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Accession: 004101370

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