Article

Unknown

05/2002;
Source: CiteSeer

ABSTRACT This paper describes, for the first time, a simple and effective synthetic route for covalently bonding the chemiluminescence reagent, (4-[4-(dichloromethylsilanyl)-butyl]-4Amethyl -2,2A-bipyridyl)bis(2,2A-bipyridyl)ruthenium(II) onto silica particles. The subsequent preparation of chemically regeneratable detection cells and their preliminary analytical evaluation with both sequential injection analysis and flow injection analysis are also reported. Unoptimised analytical figures of merit were established for standard solutions of codeine and sodium oxalate with detection limits calculated from three times the standard deviation of the blank signal, of 1 3 10 28 M and 3 3 10 27 M respectively. The chemically immobilised reagent exhibited some intriguing solvent and kinetic effects, which are also briefly discussed

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Keywords

blank signal
 
chemically immobilised reagent exhibited
 
chemically regeneratable detection cells
 
chemiluminescence reagent
 
effective synthetic route
 
flow injection analysis
 
intriguing solvent
 
preliminary analytical evaluation
 
sequential injection analysis
 
silica particles
 
sodium oxalate
 
times
 
Unoptimised analytical figures
 

Neil W Barnett