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

Version 2 2023-06-23, 11:07
Version 1 2023-05-26, 16:24
journal contribution
posted on 2023-06-23, 11:07 authored by Emily HilderEmily Hilder, Miroslav MackaMiroslav Macka, DP Bogan, 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

Issue

2

Article number

2

Number

2

Pagination

63-65

ISSN

1359-7337

Department/School

Chemistry

Publisher

Royal Society of Chemistry

Publication status

  • Published

Rights statement

Copyright 1997 Royal Society of Chemistry

Repository Status

  • Restricted

Socio-economic Objectives

280105 Expanding knowledge in the chemical sciences

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