Chem. J. Chinese Universities ›› 1997, Vol. 18 ›› Issue (4): 541.

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Manipulation of Electroosmotic Flow in Capillary Electrophoresis for Iodide and Iodate

REN Hong-Xing, WU Ming-Jia   

  1. Laboratory of Electroanalytical Chemistry, Changchun Institute of APPlied Chemistry, Chinese Academp of Sciences, National Analytical Research Centerof Electrochemistry and Spectroscopy, Changchun, 130022
  • Received:1996-05-08 Online:1997-05-24 Published:1997-05-24

Abstract: Manipulation of electroosmotic flow in capillary electrophoresis is an importantstep for separation of inorganic anions.The type and concentratlon of electroosmotic flowmodifier (OFM) exert a tremendous influence on the electroosmotic mobllity.ln the pres-ence of CTABas buffer solutions'pHvalues increase, the electroosmotic mobility becomeslower.At the same ionic strength, the buffer type affects the electroosmotic veloclty and themigration order for iodide and iodate.

Key words: Capillary electrophoresis, Electroosmotic flow, Iodide, Iodate

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