Separation and Determination of Alkaline-Earth Metal Ions as UV- Absorbing Chelates with EDTA by Capillary Electrophoresis. Determination of Calcium and Magnesium in Water and Serum Samples

作者: Shoji MOTOMIZU , Mitsuko OSHIMA , Shin-ya MATSUDA , Yoshimitsu OBATA , Hiroshi TANAKA

DOI: 10.2116/ANALSCI.8.619

关键词: ChemistryCapillary electrophoresisAlkaline earth metalChelationDetection limitMagnesium ionMetal ions in aqueous solutionMagnesiumAnalytical chemistryElectrophoresis

摘要: Capillary electrophoresis of alkaline-earth metal ions was examined with a UV-absorbing chelating agent. The metal1 chelates separated in capillary were measured by on-column UV-absorptive detection. When ethylenediamine-tetraacetic acid (EDTA) used as an agent carrier solution (pH 9.2), the order migration time (t(m)) follows: Ba(2+)

参考文章(1)
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