Abstract
An evaluation was made of 8 atomic absorption systems for the determination of lead in capillary blood in order to determine their suitability for the routine analysis of 100 specimens per day. The precision of results obtained with the Delves cup or tantalum ribbon was better than that with the graphite crucible. Using the Delves cup, results with the filter paper disc technique were higher and less precise than those with liquid blood samples. Other systematic differences in accuracy between methods were found which could not be related to either instrumental configuration or sample form.
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