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Citation: ZHU Xia-Shi, SUN Jing, BAO Li, GUO Rong. Effect of β-Cyclodextrin-Microemulsion on Determination of Trace Bi(Ⅲ) by Spectrofluorimetry[J]. Chinese Journal of Applied Chemistry, ;2006, 23(3): 323-327. shu

Effect of β-Cyclodextrin-Microemulsion on Determination of Trace Bi(Ⅲ) by Spectrofluorimetry

1.
College of Chemistry & Chemical Engineering, Yangzhou University, Yangzhuo 225002

Corresponding author: ZHU Xia-Shi,
Received Date: 7 May 2005
Available Online: 13 August 2005
Fund Project:

The sensitizing effect of β-cyclodextrin(β-CD) and β-CD-CTAB on the determination of Bi(Ⅲ) by spectrofluorimetry was studied.The results show that β-CD has no sensitizing effect on Bi(Ⅲ)-8-hydroxy quinoline (HQ),while β-CD-CTAB microemulsion shows the highest sensitizing effect on the determination of Bismuth(Ⅲ)-HQ.The proposed method was applied to the determination of Bismuth(Ⅲ) in standard and real samples with satisfactory results.Under the optimized conditions,Lambert-Beer's law is obeyed in the range of 0.2~1.4 mg/L of Bi(Ⅲ) and the detection limit(3σ) is 13.8 μg/L.
- β-cyclodextrin,
- microemulsion,
- bismuth(Ⅲ),
- hydroxyquinoline,
- spectrofluorimetry
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