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Comparative study of different wet mineralisation digestion methods for the measurement of total mercury in biological samples
Dehairs, F.A.; Decadt, G.; Baeyens, W.F.J. (1982). Comparative study of different wet mineralisation digestion methods for the measurement of total mercury in biological samples. Analusis 10(8): 373-376
In: Analusis. Société de productions documentaires: Rueil-Malmaison. ISSN 0365-4877; e-ISSN 1286-482X, more
Peer reviewed article  

Available in  Authors 
    VLIZ: Open Repository 128846 [ OMA ]

Keywords
    Digestion; Mercury; Nutrients (mineral); Marine

Authors  Top 
  • Dehairs, F.A., more
  • Decadt, G.
  • Baeyens, W.F.J., more

Abstract
    Three botanical substrates and one milkpowder were mineralised and digested by the following methods in order to measure their total mercury content: (1) HF/HNO3-KMnO4; (2) H2SO4/HNO3-KMnO4; (3) H2SO4/HNO3- H2O2; (4) H2SO4/HNO3-UV irradiation/KMnO4; (5) H2SO4/HNO3/V2O5-catalyst KMnO4 and (6) H2SO4/HNO3/V2O5-catalyst H2O2. Of these methods (1) and (5) yield similar results and produce relative standard deviation values between 0.8 and 7.6. Method (5) is the faster of the two. No interferences with the detection of Hg were observed.

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