Document Detail

Defining a lowest level of reliable measurement for lead in foods.
MedLine Citation:
PMID:  7118784     Owner:  NLM     Status:  MEDLINE    
Procedures are outlined for defining and demonstrating a lowest level of reliable measurement for Pb in foods. The method of analysis studied was a dry ash sample mineralization with quantitation by differential pulse anodic stripping voltammetry at a hanging mercury drop electrode. Past experience with analyses for Pb in foods indicated that the lowest measurement of Pb in foods was limited by the Pb contributed from the reagents, apparatus, and laboratory environment. The magnitude of contamination from these 3 sources was investigated. Once a specific source of contamination was identified, attempts were made to eliminate or minimize the amount of Pb it contributed to the analysis. After contamination was controlled to the degree our facilities would allow, low level Pb determinations were performed on infant formula.
S G Capar; C A Subjoc
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal - Association of Official Analytical Chemists     Volume:  65     ISSN:  0004-5756     ISO Abbreviation:  J Assoc Off Anal Chem     Publication Date:  1982 Jul 
Date Detail:
Created Date:  1982-12-02     Completed Date:  1982-12-02     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  7505559     Medline TA:  J Assoc Off Anal Chem     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  1025-9     Citation Subset:  IM    
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MeSH Terms
Food Analysis / methods*
Indicators and Reagents
Infant Food / analysis
Lead / analysis*
Milk / analysis
Reg. No./Substance:
0/Indicators and Reagents; 7439-92-1/Lead

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