title: In situ ethylation of organolead, organotin and organomercury species by bromomagnesium tetraethylborate prior to GC-ICP-MS analysis.
abstract: An analytical method for simultaneous in situ ethylation, of organolead, organotin and organomercury compounds in aqueous samples was developed using a new derivatisation agent, bromomagnesium tetraethylborate (BrMgEt(4)B). The determination of lead, tin and mercury compounds was done by species-specific isotope dilution, derivatisation and GC-inductively coupled plasma MS (GC-ICP-MS) or by GC-MS. The recovery and accuracy of the derivatisation were evaluated. The effect of pH and the relative quantity of derivatisation agent were studied.
authors: School of Chemistry, University of the Witwatersrand, P. O. WITS, Johannesburg, South Africa.
authors: Hermogène
authors: H
authors: Nsengimana
authors: Ewa M
authors: EM
authors: Cukrowska
authors: Andrew
authors: A
authors: Dinsmore
authors: Emmanuel
authors: E
authors: Tessier
authors: David
authors: D
authors: Amouroux
mesh_terms: D001880:Boranes / Q000138:chemical synthesis / Q000737:chemistry*; D004785:Environmental Pollutants / Q000737:chemistry; D008401:Gas Chromatography-Mass Spectrometry; D006863:Hydrogen-Ion Concentration; D009942:Organometallic Compounds / Q000032:analysis* / Q000138:chemical synthesis*
chemical_list: D001880:Boranes; D004785:Environmental Pollutants; D009942:Organometallic Compounds; C544734:bromomagnesium tetraethylborate