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Modification by palladium in the analysis of slurries by graphite furnace atomic absorption spectrometry: a physical mechanism


, : Modification by palladium in the analysis of slurries by graphite furnace atomic absorption spectrometry: a physical mechanism. Spectrochimica Acta Part B, Atomic Spectroscopy 47(11): 1267-1276

The atomization of lead from sediment particles after introduction to the graphite furnace as a slurry was studied. Absorbance characteristics with and without the addition of a palladium/magnesium modifier mixture were compared, and scanning electron micrographs presented to show the distribution of palladium and slurry particles in the graphite furnace during the heating cycle. The results were consistent with a physical mechanism of modification by palladium.

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DOI: 10.1016/0584-8547(92)80118-z


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