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Examination of rapid analysis of toxic heavy metals in foods for emergency response to health crisis
MedLine Citation:
PMID:  19897952     Owner:  NLM     Status:  In-Process    
Abstract/OtherAbstract:
A simple and rapid method for determination of intentional contamination with heavy metals in foods using inductively coupled plasma-atomic emission spectroscopy (ICP-AES) has been developed. The heavy metals were extracted with sulfuric acid in a disposable tube using a homogenizer. The extract was diluted with 1% HNO(3) solution and analyzed with ICP-AES. Recovery tests of 9 metals, As, Cd, Cr, Hg, Mn, Pb, Sb, Sn, and Tl, from 12 foods were performed, and gave acceptable recovery (71-107%) with low relative standard deviation (1-11%). The time required for conversion of 12 samples to test solutions was approximately 2 hr. This method could be useful for identification of heavy metals involved in food poisoning cases.
Authors:
Chie Nomura; Hirotaka Obana; Hajime Oda
Publication Detail:
Type:  English Abstract; Journal Article    
Journal Detail:
Title:  Shokuhin eiseigaku zasshi. Journal of the Food Hygienic Society of Japan     Volume:  50     ISSN:  1882-1006     ISO Abbreviation:  Shokuhin Eiseigaku Zasshi     Publication Date:  2009 Oct 
Date Detail:
Created Date:  2009-11-09     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0142214     Medline TA:  Shokuhin Eiseigaku Zasshi     Country:  Japan    
Other Details:
Languages:  jpn     Pagination:  253-5     Citation Subset:  IM    
Affiliation:
Osaka Prefectural Institute of Public Health, Higashinari-ku, Osaka, Japan.
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