Simultaneous Separation Analysis of Some Metal Ions in Piperidinedothiocarbamate Chelates by Reversed-Phase Liquid Chromatography

역상 액체 크로마토그래피에 의한 몇가지 금속 이온들의 Piperidinedithiocarbamate 킬레이트 동시분리분석

  • Lee, Won (Research Institute for Basic Sciences and Department of Chemistry, Kyunghee University) ;
  • Bahng, Seung-Hoon (Research Institute for Basic Sciences and Department of Chemistry, Kyunghee University) ;
  • Kim, Mi-Kyoung (Research Institute for Basic Sciences and Department of Chemistry, Kyunghee University)
  • 이원 (경희대학교 기초과학연구소 및 문리과 대학 화학과) ;
  • 방승훈 (경희대학교 기초과학연구소 및 문리과 대학 화학과) ;
  • 김미경 (경희대학교 기초과학연구소 및 문리과 대학 화학과)
  • Received : 1999.09.01
  • Published : 2000.02.25

Abstract

Simultaneous separation and analysis of Ni(II), Pd(II), Co(II), Cu(II) and Hg(II) in peperidinedithiocarbamate (PDTC) chelates were investigated by reversed phase liquid chromatography. The optimum conditions for the separation of PDTC metal chelates were examined with respect to the pH, extraction solvent, and mobile phase strength on Novapak $C_{18}$ column using methanol/water mixture as mobile phase. All metal PDTC chelates were eluted in an acceptable range of capacity factor value ($0{\leq}log\;k^{\prime}{\leq}1$). The linear calibration curves were obtained in the concentration range of $0{\sim}1.2{\mu}g/mL$ for five metal ions, and also good precision in the range of 1.96~3.41% RSD was obseved. Under the optimum conditions, trace metat ions in the composite water sample were successfully separated and determined with relative error of ${\pm}2.0%$.

Keywords

RPLC;piperidinedithiocarbamate (PDTC);chelates;metal ion

Acknowledgement

Supported by : 한국학술진흥재단

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