A gradient anion exchange chromatographic method for the speciation of arsenic in lobster tissue extracts.

@article{Brisbin2002AGA,
  title={A gradient anion exchange chromatographic method for the speciation of arsenic in lobster tissue extracts.},
  author={Judith A. Brisbin and Clayton B'hymer and Joseph A. Caruso},
  journal={Talanta},
  year={2002},
  volume={58 1},
  pages={
          133-45
        }
}
A gradient anion exchange chromatographic technique was developed for the separation of arsenobetaine (AsB), arsenocholine (AsC), arsenite (As(III)), arsenate (As(V)), monomethylarsonic acid (MMAA) and dimethylarsinic acid (DMAA) in one chromatographic run. This technique used low residue ammonium carbonate buffer and the inductively coupled plasma-mass spectrometry (ICP-MS) chromatograms showed little baseline drift. Gradient elution improved peak shape and peak separation. The separation was… CONTINUE READING

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