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A study of methods for the determination of lead and cadmium.

Authors
Eller-PM; Haartz-JC
Source
Am Ind Hyg Assoc J 1977 Mar; 38(3):116-124
NIOSHTIC No.
00073136
Abstract
This paper describes laboratory comparisons of precision and accuracy of some widely used methods for the determination of lead in blood and for lead and cadmium on filters. With the exception of the tantalum boat atomic absorption technique, the methods studied were found to be rugged for a variety of minor procedural changes. Recovery of cadmium from spiked filters was quantitative over a wide range of dilutions and for a variety of instrumental readout and calculation combinations. In addition to the tantalum boat atomic absorption methods, results were obtained with the dithizone, extraction/aspiration, graphite furnace, and flame atomic absorption method. The use of the tantalum boat method for lead in blood is not recommended. For the determination of cadmium filters, the most accurate and precise results are obtained by the use of external calibration curves rather than the method of standard additions.
Keywords
NIOSH-Author; Industrial-hygiene; Blood-chemistry; Lead-poisoning; Heavy-metals; Colorimetry; Metal-poisoning; Cadmium-poisoning; Trace-analysis; Air-quality-measurement; Toxicology; Microanalysis; Spectrometry
CODEN
AIHAAP
CAS No.
7439-92-1; 7440-43-9
Publication Date
19770301
Document Type
Journal Article
Fiscal Year
1977
NTIS Accession No.
NTIS Price
Issue of Publication
3
ISSN
0002-8894
Source Name
American Industrial Hygiene Association Journal
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