2003•Chinese Journal of Spectroscopy LaboratoryRequires access
Determinations of Pb and Cd in Soils and Base-Muds by Graphite Furnace Atomic Absorption Spectrometry
Peng Rui
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Abstract
The contents of Pb and Cd in soils and base-muds are determined by graphite furnace atomic absorption spectrometry with self-absorption background correction and (NH 4) 2HPO 4 as matrix modifier.The results obtained indicate the relative standard deviations for Pb and Cd (n=11) are 4.2% and 3.5% respectively and the recovery are 94%-106% and 92%-105% respectively.