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Microcoulometric determination of total organochlorine pesticide and polychlorinated biphenyls residues in grey seal (Halichoerus grypus) blubber
Donkin, P.; Mann, S.V.; Hamilton, E.I. (1977). Microcoulometric determination of total organochlorine pesticide and polychlorinated biphenyls residues in grey seal (Halichoerus grypus) blubber. Anal. Chim. Acta 88(2): 289-301. https://dx.doi.org/10.1016/S0003-2670(01)95903-3
In: Analytica Chimica Acta. Elsevier: New York; Amsterdam. ISSN 0003-2670; e-ISSN 1873-4324
Peer reviewed article  
Beschikbaar in  Auteurs 
Trefwoorden
    Analysis > Chemical analysis
    Analytical techniques
    Methodology
    Pesticides
    Halichoerus grypus (Fabricius, 1791) [WoRMS]
    Marien/Kust
Auteurs  Top 
  • Donkin, P.
  • Mann, S.V.
  • Hamilton, E.I.
Abstract
    A procedure for estimating organochlorine pesticide and PCB residue in seal blubber at concns of > l {mu}gg-1 of lipidis described. Lipid is cleaned up by alumina colunm chromatography, and the halogen concn of the resulting hexane eluate is determined by combustion and microcoulometry. Results are similar to those obtained by gas chromatographic analysis and can be used to interpolate between results so obtained when data on specific organochlorine compounds is not required for each sample. The organochlorine residues recovered in this manner did not constitute all the halogen determined by combustion and microcoulometry of seal lipid. Analysis by the total halogen procedure was 2.5 times faster than the rate achieved with a combination of liquid and gas chromatography operated manually; the requirements for lab equipment and space for sample preparation are reduced.
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