Determination of Cadmium in Urine by Continuum Source Atomic Absorption Spectrometry

Author:

Fernando Reshan1,Jones Bradley T.1,Ennever Fanny K.1

Affiliation:

1. Department of Chemistry, Wake Forest University, Winston-Salem, North Carolina 27109 (R.F., B.T.J.); and Department of Public Health Sciences, Bowman Gray School of Medicine, Wake Forest University, Winston-Salem, North Carolina 27157-1063 (F.K.E.)

Abstract

A graphite furnace continuum source atomic absorption spectrometric method is described for the determination of Cd in urine at the sub-ppb level. Sample preparation includes a simple 1:1 dilution with nitric acid followed by digestion in a water bath at 60°C for one hour in a sealed plastic vial. The method detection limit observed for Cd is 0.03 ng/mL. Three hundred urine samples collected from post-menopausal women in the Winston-Salem area have been analyzed.

Publisher

SAGE Publications

Subject

Spectroscopy,Instrumentation

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