Document Detail

Interference by tin in AOAC dry-ash voltammetric method for determination of lead and cadmium in canned foods.
MedLine Citation:
PMID:  3417617     Owner:  NLM     Status:  MEDLINE    
When lead and cadmium were determined in samples of canned food by the AOAC anodic stripping voltammetric method, an interference was observed which was believed to be tin(IV). This interference could cause false positive results for lead and cadmium. The electroactivity of tin(IV) was suppressed by increasing the concentration of tartaric acid in the supporting electrolyte from 0.005M to 0.1M after mixing with an equal volume of sample solution.
W Holak; J J Specchio
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal - Association of Official Analytical Chemists     Volume:  71     ISSN:  0004-5756     ISO Abbreviation:  J Assoc Off Anal Chem     Publication Date:    1988 Jul-Aug
Date Detail:
Created Date:  1988-10-26     Completed Date:  1988-10-26     Revised Date:  2000-12-18    
Medline Journal Info:
Nlm Unique ID:  7505559     Medline TA:  J Assoc Off Anal Chem     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  857-9     Citation Subset:  IM    
Food and Drug Administration, New York Regional Laboratory, Brooklyn 11232-1593.
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MeSH Terms
Cadmium / analysis*
Electrolytes / analysis
Food Analysis*
Food Preservation*
Indicators and Reagents
Lead / analysis*
Tartrates / analysis
Tin / analysis*
Reg. No./Substance:
0/Electrolytes; 0/Indicators and Reagents; 0/Tartrates; 7439-92-1/Lead; 7440-31-5/Tin; 7440-43-9/Cadmium

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