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Separation of metal bis(2-hydroxyethyl)dithiocarbamate complexes by micellar electrokinetic capillary chromatography

journal contribution
posted on 2023-05-16, 10:56 authored by Emily HilderEmily Hilder, Miroslav MackaMiroslav Macka, Bogan, DP, Paul HaddadPaul Haddad
A method was developed for the separation of CdII, PbII, PtII, CoII, NiII, BiIII, CrII, CuII and HgII 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 PtII and PbII, were baseline resolved and separation was achieved in under 7 min. Detection limits were in the range 22 to 133 ppb.

History

Publication title

Analytical Communications

Volume

34

Pagination

63-65

ISSN

1359-7337

Department/School

School of Natural Sciences

Publisher

Royal Society of Chemistry

Place of publication

United Kingdom

Repository Status

  • Restricted

Socio-economic Objectives

Expanding knowledge in the chemical sciences

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