Simultaneous Analysis of Inorganic Cations by Capillary Zone Electrophoresis

Capillary Zone Electrophoresis를 이용한 양이온 동시분석에 관한 연구

  • Park, Sung-Woo (The National Institute of Scientific Investigation) ;
  • You, Jae-Hoon (The National Institute of Scientific Investigation) ;
  • Jin, Kwang-Ho (The National Institute of Scientific Investigation) ;
  • Seo, Bae-Sug (Department of Chemistry, Medical College, Catholic University) ;
  • Kim, Young-Sang (Department of Chemistry, Korea University)
  • Received : 1998.12.29
  • Published : 1999.08.25

Abstract

The separation and determination of inorganic cations by a capillary zone electrophoresis was studied. Cations were separated by the capillary column and detected by indirect UV method. The running buffer of 0.03 M creatinine and 0.02 M-hydroxy isobutylic acid solution (pH 4.8) was used to improve the mobility of ions in the column. A potential of 18 kV was applied at anode. A complete separation of cations ranged within 15 min and detection limits were between 0.1 and 1.0 ppm. The applicability of the method for real samples was demonstrated.

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