University of North Florida
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Stuart Chalk, Ph.D.
Department of Chemistry
University of North Florida
Phone: 1-904-620-1938
Fax: 1-904-620-3535
Website: @unf

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Classification: Metal -> zinc -> dust

Citations 1

"Cyclic Flow Injection Determination Of Copper With Hexadecyl-trimethylammonium Bromide Micelle-enhanced, Fluorescein-sensitized Chemiluminescence Detection"
Anal. Chim. Acta 1987 Volume 193, Issue 1 Pages 337-341
Masaaki Yamada and Shigetaka Suzuki

Abstract: The cited method was based on measurement of the chemiluminescence arising from the Cu(II)-catalyzed oxidation of β-nitrostyrene(I) by O dissolved in the reagent stream. The sample (20 µL) was injected into 100 mL of reagent solution (1 mM I - 10 mM NaOH - 5 mM hexadecyltrimethylammonium bromide - 40 µM-fluorescein) which was circulated continuously at 3.4 mL min-1 through a flow system with a reservoir open to the air. The chemiluminescence was measured by a photomultiplier tube in a flow cell which was connected to the injection valve by PTFE tubing (5 cm x 1 mm). Calibration graphs were rectilinear for 0.1 ng (detection limit) to 10 ng of Cu(II). In the determination of 1 ng of Cu(II), the coefficient of variation was 2.2% (n = 10). There was little or no interference from Co(II), Fe(II), Cr(III), Ni(II), Fe(III), Mn(II), Cr(VI), Cd, Zn and Pb. The technique was successfully applied to several hundred samples of seawater and zinc powder at a rate of 200 samples h-1.
Copper Chemiluminescence Closed loop Interferences Micelle