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A New Analytical Method for the <TEX>$Dy^{3+}$</TEX> Ion Using the Luminescence Enhancement by the Treatment of o-Phenanthroline on the TLC Plate
Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
1998, v.11 no.5, pp.386-393
Jeong,
H.
(1998). A New Analytical Method for the <TEX>$Dy^{3+}$</TEX> Ion Using the Luminescence Enhancement by the Treatment of o-Phenanthroline on the TLC Plate. Analytical Science and Technology, 11(5), 386-393.
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Abstract
A new analytical luminescence method for the <TEX>$Dy^{3+}$</TEX> ion was studied using the luminescence enhancement by the treatment of the o-phenanthroline on the TLC plate. Compared to the specific emission intensities of the ion in water solution, if the ion solution is spotted on the TLC plate, the luminescence intensities were extremely enhanced. There was additional enhancement effect of the luminescence intensities of the ions on the TLC plate, if the ion on the TLC plate is treated with o-phenanthroline. Based on the luminescence enhancement, the detection limit was improved by more than 4 order of magnitude compared to that of solution sample. The dynamic ranges and correlation coefficients of the calibration curves near the detection limit were 102 order and ~0.99, respectively. The energy-transfer mechanism was explained for the theoretical back ground of the luminescence enhancement.
- keywords
- luminescence enhancement, o-PhenanthroIine, dysprosium
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