Determination of lutetium by fluorimetry, using BPMPHD and CTMAB |
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| Authors: | Jinghe Yang Nianqin Jie Cunguo Lin Min Wang Wenyuan Ma |
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| Institution: | (1) Department of Chemistry, Shandong University, Shandong, 250100 Jinan, Peoples Republic of China |
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| Abstract: | Lutetium(III) forms an association compound with a new synthetic reagent, 1,6-bi(1 -phenyl-3-methyl-5-pyrazolone-4)hexandione (BPMPHD), and cetyltrimethylammonium bromide (CTMAB). The compound enhances the natural fluorescence of BPMPHD remarkably, upon which a new fluorescence method was developed for determining lutetium in rare earth (RE) samples. The determination range was 1.80 × 10–7–8.8 × 10–6 g/ml. The determination limit was 29 ng/ml. The composition of the ion associate was Lu(BPMPHD)2]–CTMAB+. |
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| Keywords: | luminescence lutetium(III) BPMPHD |
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