Document Detail


Permanganate-based chemiluminescence analysis of ferulic acid using flow injection.
MedLine Citation:
PMID:  16122169     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
A simple, sensitive and rapid flow-injection chemiluminescence method has been developed for the determination of ferulic acid based on the chemiluminescence reaction of ferulic acid with potassium permanganate in a nitric acid medium. A strong chemiluminescence signal was observed when ferulic acid was injected into an acidic potassium permanganate solution in a flow-cell. The present method allowed the determination of ferulic acid in the concentration range of 6.0 x 10(-6) to 2.0 x 10(-4) mol l(-1); the detection limit (3sigma) for ferulic acid was 9.6 x 10(-8) mol l(-1). The relative standard deviation was 1.0% for 11 replicate analyses of 2.0 x 10(-4) mol l(-1) ferulic acid. The proposed method was applied to the determination of ferulic acid in real samples with satisfactory results. Moreover, the reaction mechanism of the chemiluminescence system was primarily considered.
Authors:
Li Na Li; Nian Bing Li; Hong Qun Luo
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Analytical sciences : the international journal of the Japan Society for Analytical Chemistry     Volume:  21     ISSN:  0910-6340     ISO Abbreviation:  Anal Sci     Publication Date:  2005 Aug 
Date Detail:
Created Date:  2005-08-26     Completed Date:  2007-03-26     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8511078     Medline TA:  Anal Sci     Country:  Japan    
Other Details:
Languages:  eng     Pagination:  963-6     Citation Subset:  IM    
Affiliation:
School of Chemistry and Chemical Engineering, Southwest China Normal University, Chongqing, 400715, China.
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MeSH Terms
Descriptor/Qualifier:
Chemiluminescent Measurements / methods*
Coumaric Acids / chemistry*
Flow Injection Analysis / methods*
Molecular Structure
Potassium Permanganate / chemistry*
Chemical
Reg. No./Substance:
0/Coumaric Acids; 1135-24-6/ferulic acid; 7722-64-7/Potassium Permanganate

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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