Abstract
A flow injection system incorporating an alumina microcolumn has been coupled to inductively coupled plasma mass spectrometry (ICP-MS) for on-line preconcentration and determination of platinum (IV) in natural waters. Depending on the nature of the sample, a nominal preconcentration factor of up to 600 can be achieved by eluting with 50μl of 2 mol/l NH4OH. The limit of detection after a 5 min preconcentration time was 4 ngl-1, with a relative standard deviation of 4% (100 ngl-1 working solution). The proposed method was assessed for the determination of platinum (IV) in natural waters, motor car exhaust and some common analytical reagents.
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Hidalgo, M.M., Gómez, M.M. & Palacios, M.A. Trace enrichment and measurement of platinum by flow injection inductively coupled plasma mass spectrometry. Fresenius J Anal Chem 354, 420–423 (1996). https://doi.org/10.1007/s0021663540420
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DOI: https://doi.org/10.1007/s0021663540420