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Issue 2, 1997
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Separation of Metal Bis(2-hydroxyethyl)dithiocarbamate Complexes byMicellar Electrokinetic Capillary Chromatography


A method was developed for the separation of Cd II , Pb II , Pt II , Co II , Ni II , Bi III , Cr II , Cu II and Hg II bis(2-hydroxyethyl)dithiocarbamate (HEDTC) complexes by micellar electrokinetic capillary chromatography. The complexes were formed by pre-capillary reaction of the metal ions with an excess of the ligand and then separated using a 100 mM borate buffer (pH 9.2) containing 4% methanol (v/v), 10 mM sodium dodecyl sulfate and 0.1 mM HEDTC, with detection at 254 nm. All the metal complexes, except Pt II and Pb II , were baseline resolved and separation was achieved in under 7 min. Detection limits were in the range 22 to 133 ppb.

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Article type: Paper
DOI: 10.1039/A607770F
Anal. Commun., 1997,34, 63-65

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    Separation of Metal Bis(2-hydroxyethyl)dithiocarbamate Complexes by Micellar Electrokinetic Capillary Chromatography

    E. F. Hilder, M. Macka, D. P. Bogan and P. R. Haddad, Anal. Commun., 1997, 34, 63
    DOI: 10.1039/A607770F

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