Micro-scale preparation and characterization of isotopically enriched monomethylmercury

R C R Martin-Doimeadios, T Stoichev, E M Krupp, D Amouroux, M Holeman, O F X Donard

Research output: Contribution to journalArticle

36 Citations (Scopus)

Abstract

A synthesis method for the micro-scale laboratory preparation of isotopically enriched monomethylmercury (MMHg) has been successfully established. This compound is an important standard for species-specific isotope dilution analysis. The isotopically enriched MMHg has been synthesized from commercially available mercury oxide ((HgO)-Hg-201) using methylcobalamin coenzyme as methylating agent. The time required is less than 2 h and the final yield is about 90%. The proposed method is faster than those previously reported in the literature. It allows work on a micro scale to control the use of expensive enriched isotope standard. It also allows control of unintentional formation of dimethylmercury. The enriched mercury-containing reaction products were analyzed by capillary gas chromatography coupled to an inductively coupled plasma mass spectrometer after derivatization with sodium tetraethylborate. The isotopic composition, concentration, purity and stability of the synthesized, enriched MMHg have been investigated in order to establish standard protocols for MMHg isotope dilution analysis or isotope labeling incubation experiments. Copyright (C) 2002 John Wiley Sons, Ltd.

Original languageEnglish
Pages (from-to)610-615
Number of pages6
JournalApplied Organometallic Chemistry
Volume16
Issue number10
DOIs
Publication statusPublished - Oct 2002

Keywords

  • monomethylmercury (MMHg)
  • Hg-201
  • synthesis
  • isotope dilution analysis
  • atomic-absorption spectrometry
  • inorganic mercury
  • hydride generation
  • methylmercury
  • methylcobalamin
  • methylation
  • speciation

Cite this

Martin-Doimeadios, R. C. R., Stoichev, T., Krupp, E. M., Amouroux, D., Holeman, M., & Donard, O. F. X. (2002). Micro-scale preparation and characterization of isotopically enriched monomethylmercury. Applied Organometallic Chemistry, 16(10), 610-615. https://doi.org/10.1002/aoc.350

Micro-scale preparation and characterization of isotopically enriched monomethylmercury. / Martin-Doimeadios, R C R ; Stoichev, T ; Krupp, E M; Amouroux, D ; Holeman, M ; Donard, O F X .

In: Applied Organometallic Chemistry, Vol. 16, No. 10, 10.2002, p. 610-615.

Research output: Contribution to journalArticle

Martin-Doimeadios, RCR, Stoichev, T, Krupp, EM, Amouroux, D, Holeman, M & Donard, OFX 2002, 'Micro-scale preparation and characterization of isotopically enriched monomethylmercury', Applied Organometallic Chemistry, vol. 16, no. 10, pp. 610-615. https://doi.org/10.1002/aoc.350
Martin-Doimeadios, R C R ; Stoichev, T ; Krupp, E M ; Amouroux, D ; Holeman, M ; Donard, O F X . / Micro-scale preparation and characterization of isotopically enriched monomethylmercury. In: Applied Organometallic Chemistry. 2002 ; Vol. 16, No. 10. pp. 610-615.
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