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Abstract

Three difference methods of lead determination in blood, namely: 1. the flameless or electrothermal AAS technique (AAS- ETA), 2. the flame AAS using the Delves cup method (AAS-DC), 3. the ASV technique using a Trace Metal Analyzer (ASV), were used, with the aim of giving more detailed information about the two techniques, AAS Delves Cup and ASV Trace Metal Analyzer, together with some general data concerning electrothermal AAS. The results obtained which are continuously controlled by internal and external control programmes, may be considered as entirely satisfactory. The AAS-DC technique is the most commonly used method in the laboratory both for routine and quality control analyses, while the other two techniques such as AAS-ETA and ASV are requested as a control of the routine work and as methods for quality control. It is hoped that from this presentation it has been clear that the methods described for the determination of lead in blood are in themselves inherently accurate and reliable. The most important point, however, in order to obtain reliable, reproducible results lies in the caution and care given by the analyst to the overall sample preparation procedure preceding the presentation of the actual sample to the instrument. It is at this stage, indeed, that all significant causes of errors may occur.

Additional information

Authors: LEYENDECKER W JRC ISPRA ESTAB. (ITALY), JRC ISPRA ESTAB. (ITALY)
Bibliographic Reference: ANALYTICAL TECHNIQUES FOR HEAVY METALS IN BIOLOGICAL FLUIDS, 1983, PP. 233-254 PUBLISHED BY ELSEVIER SCIENCE PUBLISHERS, B.V. AMSTERDAM (THE NETHERLANDS)
Record Number: 1989122031200 / Last updated on: 1987-01-01
Category: PUBLICATION
Available languages: en
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