A Chemiluminescence Detector for Transition Metals Separated by Ion Exchange

Neary, Michael P.; Seitz, Rudolf; Hercules, David M.

doi:10.1080/00032717408058791

Cited by 58 publications

(15 citation statements)

References 8 publications

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“…Coupling the luminol CL method with liquid chromatography has been suggested as an attractive means of separation and detection for certain transition metals at trace levels because the CL method is not selective (16,17). Owing to the discovery that different halide enhancement is observed for metal ions at different conditions, the system may be made selective, at least partially, if a suitable promotor can be chosen.…”

Section: Resultsmentioning

confidence: 99%

Halide ion enhancement of chromium(III), iron(II), and cobalt(II) catalysis of luminol chemiluminescence

Chang¹,

Patterson²

1980

Anal. Chem.

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The bromide and chloride ion enhancement of chemiluminescence (CL) of trace metal ion catalyzed luminol oxidation by hydrogen peroxide was examined for chromlum(III), iron(II), and cobalt(II) ions. The enhancement remains nearly constant at different metal ion concentrations but It varies with the pH of the luminol-H202 solution. In the presence of 0.3 M Br, an increase of 6.2-, 3.5-, and 1.4-fold of CL signal was observed for Cr(III), Fe(II), and Co(II), respectively, at the optimized pH of analysis. The feasibility of analytical applications for the halide effect Is discussed. A general mechanism for the halide effect is proposed.

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Section: Resultsmentioning

confidence: 99%

Halide ion enhancement of chromium(III), iron(II), and cobalt(II) catalysis of luminol chemiluminescence

Chang¹,

Patterson²

1980

Anal. Chem.

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“…Because the luminol reaction is inherently non-selective, it has been proposed that it be used as a detection system for the prior separation of interferences. [15][16]…”

Section: Interferencesmentioning

confidence: 99%

Chemiluminescence detection of trace amounts of cobalt(II) with the 2,6,7-trihydroxy-9-(4′-chlorophenyl)-3-fluorone–hydrogen peroxide–cetyltrimethylammonium bromide system

Xie¹,

Zhang²,

Pan³

1998

Analyst

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“…The luminol reaction was the first CL reaction demonstrated as a postcolumn reactor when Seitz et al detected Co(II) and Cu(II) separated by ion exchange (11). Luminol and hydrogen peroxide were added postcolumn, but researchers had to ensure the compatibility of separation conditions with postcolumn reaction conditions.…”

Section: Hplc Detectionmentioning

confidence: 99%