Citation: XIE Tianyao, YI Jia, ZHANG Manshu, WANG Xiao, LUO Xuejun. Development of New Enrichment Apparatus and Its Applications in Analytical Chemistry Laboratory Course[J]. University Chemistry, ;2018, 33(3): 55-58. doi: 10.3866/PKU.DXHX201710007 shu

Development of New Enrichment Apparatus and Its Applications in Analytical Chemistry Laboratory Course

School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, P. R. China

Received Date: 13 October 2017

An innovative home-made teaching apparatus, named capillary electrophoresis enrichment apparatus was developed and used in the undergraduate analytical chemistry laboratory course. The main contents of this developed enrichment apparatus, including the principle, the performance parameters, the operating instructions, enrichment factor and applications in teaching process, were introduced and discussed in detail. Based on the particle samples, the enrichment efficiency and influencing factors were roundly tested. As a result, this laboratory-built enrichment apparatus can provide 560-fold enrichment factor, which will greatly improve the detection limits and expand the applications of capillary electrophoresis, as well as instrumental analytical methods in many fields. The original instrumental analytical chemistry experiment had been deeply modified using this apparatus in order to train the undergraduates with more complex assay. This newly developed enrichment apparatus is easy-to-use as well as cost-effective, and presents highly enhanced sensitivity.
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沈阳化工大学材料科学与工程学院沈阳 110142