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A simple method for the determination of lead and cadmium in potable waters using an atom-trapping technique is described. The method uses two water-cooled silica tubes mounted in an air-acetylene flame to trap the determinand atoms. Criteria of detection of 2.0 and 0.25 µg l–1 are observed for lead and cadmium, respectively. Basic performance characteristics are also given for arsenic, copper, selenium and silver.
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Hallam et al. (1985) studied this question.
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