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Interferences in the determination of metallic elements in human hair: an evaluation of zinc, copper, lead, and cadmium, using atomic absorption spectrophotometry.

Authors
Sorenson-JR; Melby-EG; Nord-PJ; Petering-HG
Source
Arch Environ Health 1973 Jul; 27(1):36-39
NIOSHTIC No.
00020321
Abstract
Evaluation of the hair digest matrix as a source of interferences in the determination of metals using atomic absorption spectrophotometry and development of a technique for interlaboratory comparison of analytical data for evaluation of the influence of the nonessential metals present in man's environment. Ordinary methods and commercially available equipment are shown to be satisfactory for avoiding interferences due to broad-band nonspecific-moleucular absorption, chemical ionization, flame emission, flame scatter, light scatter and matrix matching during hair analysis. A technique is presented for the preparation of a standard reference hair sample, from which concentrations of copper, zinc, lead, and cadmium in a nitric acid hair digest matrix can be accurately measured.
Keywords
NIOSH-Publication; NIOSH-Grant; Analytical-techniques; Sampling; Metals
Contact
Environmental Health Kettering Laboratory Eden & Bethesda Avenues Cincinnati, Ohio 45219
CODEN
AEHLAU
CAS No.
7440-50-8; 7439-92-1; 7440-43-9; 7440-66-6
Publication Date
19730701
Document Type
Journal Article
Funding Amount
311966
Funding Type
Grant
Fiscal Year
1973
NTIS Accession No.
NTIS Price
Identifying No.
Grant-Number-R01-OH-00337
Issue of Publication
1
ISSN
0003-9896
Source Name
Archives of Environmental Health
State
OH
Performing Organization
University of Cincinnati, Cincinnati, Ohio
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