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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, meer
Peer reviewed article  
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Trefwoorden
    Chemical elements > Metals > Heavy metals > Mercury
    Digestion
    Nutrients (mineral)
    Marien/Kust
Auteurs  Top 
  • Dehairs, F.A., meer
  • Decadt, G.
  • Baeyens, W.F.J., meer
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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