Citation: Jin Xiong Qian, Zuan Guang Chen. A novel electromagnetic induction detector with a coaxial coil for capillary electrophoresis[J]. Chinese Chemical Letters, ;2012, 23(2): 201-204. doi: 10.1016/j.cclet.2011.10.012 shu

A novel electromagnetic induction detector with a coaxial coil for capillary electrophoresis

School of Pharmaceutical Sciences, Sun Yat-sen University, Higher Education Mega Centre, Guangzhou 510006, China

Received Date: 14 June 2011

Fund Project: Financial support from the National Natural Science Foundation of China (Nos. 20727006 and 21075139) and technical support from He-xian Situ are gratefully acknowledged.

A novel electromagnetic induction detector with two inductors for CE was described here. The two inductors were used as signal detection and reference, respectively. The parameters affecting the detector performance (including coil turns, detection distance, excitation frequency and voltage, etc.) were optimized. Under the optimum condition, the feasibility of the detector was examined by analyzing inorganic ions. The fabricated detector showed good linear relationship between the response and the analytes concentrations, with a detection limit of 13 μmol/L for Na⁺ (S/N=3). A variety of advantages, such as simple construction, ease of operation, and considerably universal response, suggested this novel detector a promising application prospect in analytical area.
- CE,
- Electromagnetic induction detection,
- MnCl₂,
- Coaxial coil
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