Document Detail

Post-chemiluminescence behaviour of Ni2+, Mg2+, Cd2+ and Zn2+ in the potassium ferricyanide-luminol reaction.
MedLine Citation:
PMID:  16134227     Owner:  NLM     Status:  MEDLINE    
A new chemiluminescence (CL) reaction was observed when Ni2+, Mg2+, Cd2+ or Zn2+ was injected into the reaction mixture after the finish of the CL reaction of alkaline luminol and potassium ferricyanide. This reaction is described as a post-chemiluminescence (PCL) reaction. The possible mechanism for the PCL was proposed based on studies of the CL kinetic characteristic and the CL spectra. The experimental conditions of the CL reactions were optimized and the feasibility of using the reaction to analyse these metal ions was evaluated. The PCL reaction method operates in the ranges: 1 x 10(-7)-8 x 10(-6) g/L Ni2+; 3 x 10(-6)-2 x 10(-4) g/L Mg2+; 8 x 10(-7)-1 x 10(-4) g/L Cd2+; and 2 x 10(-4)-2 x 10(-3) g/L Zn2+, with detection limits of 4 x 10(-8) g/mL, 1 x 10(-6) g/mL, 3 x 10(-7) g/mL, 8 x 10(-5) g/mL, respectively.
Na Feng; Jiuru Lu; Yunhua He; Jianxiu Du
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Luminescence : the journal of biological and chemical luminescence     Volume:  20     ISSN:  1522-7235     ISO Abbreviation:  Luminescence     Publication Date:    2005 Jul-Oct
Date Detail:
Created Date:  2005-09-12     Completed Date:  2005-12-23     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  100889025     Medline TA:  Luminescence     Country:  England    
Other Details:
Languages:  eng     Pagination:  266-70     Citation Subset:  IM    
Copyright Information:
Copyright 2005 John Wiley & Sons, Ltd.
College of Chemistry and Materials Science, Shaanxi Normal University, Xi'an 710062, People's Republic of China.
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MeSH Terms
Cadmium / chemistry
Cations, Divalent / chemistry*
Chemiluminescent Measurements
Ferricyanides / chemistry*
Luminol / chemistry*
Manganese / chemistry
Metals, Heavy / chemistry*
Molecular Structure
Nickel / chemistry
Zinc / chemistry
Reg. No./Substance:
0/Cations, Divalent; 0/Ferricyanides; 0/Metals, Heavy; 13746-66-2/potassium ferricyanide; 521-31-3/Luminol; 7439-96-5/Manganese; 7440-02-0/Nickel; 7440-43-9/Cadmium; 7440-66-6/Zinc

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