Automated simultaneous analysis of monomethyl and mercuric Hg in biotic samples by Hg-thiourea complex liquid chromatography following acidic thiourea leaching.

@article{Shade2008AutomatedSA,
  title={Automated simultaneous analysis of monomethyl and mercuric Hg in biotic samples by Hg-thiourea complex liquid chromatography following acidic thiourea leaching.},
  author={Christopher W. Shade},
  journal={Environmental science & technology},
  year={2008},
  volume={42 17},
  pages={6604-10}
}
A simple leaching procedure has been validated for quantitative isolation of both monomethyl (CH3Hg+) and inorganic (Hg(II)) mercuryfrom fresh or dried biotic tissue for simultaneous analysis via separation and quantification with Hg-thiourea complex liquid chromatography cold vapor atomic fluorescence spectrometry (HgTU/LC-CVAFS). The leaching solution comprises thiourea, hydrochloric acid, and glacial acetic acid and works by protonating thiol binding sites and forming water-soluble cationic… CONTINUE READING
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