Document Detail


Quantitative determination of zinc in milkvetch by anodic stripping voltammetry with bismuth film electrodes.
MedLine Citation:
PMID:  18969909     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
Bismuth film electrode (BiFE) was shown to be an attractive alternative to common mercury film electrode (MFE) for anodic stripping voltammetric measurements. In this study, bismuth film, that was in situ deposited onto glassy carbon electrode, was used to detect zinc content of milkvetch, used in traditional Chinese medicine. Variables affecting the response have been evaluated and optimized. Experimental results showed a high response, with a good linearity (between 0.5x10(-6)molL(-1) and 3x10(-6)molL(-1)) a good precision (R.S.D.=3.58%) and a low detection limit (9.6x10(-9)molL(-1) with a 120s anodic). The anodic stripping performance makes the bismuth film electrode very desirable for measurements of trace nutritive element zinc in milkvetch and should impart possible restrictions on the use of mercury electrode.
Authors:
Ziying Guo; Feng Feng; Yanxia Hou; Nicole Jaffrezic-Renault
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Publication Detail:
Type:  Journal Article     Date:  2004-11-02
Journal Detail:
Title:  Talanta     Volume:  65     ISSN:  1873-3573     ISO Abbreviation:  Talanta     Publication Date:  2005 Feb 
Date Detail:
Created Date:  2008-10-30     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  2984816R     Medline TA:  Talanta     Country:  England    
Other Details:
Languages:  eng     Pagination:  1052-5     Citation Subset:  -    
Affiliation:
Department of Chemistry, Yanbei Normal Institute, Datong 037000, PR China.
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