512
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Fig. 9. Distribution of total mercury in different granulometric fractions of the river bottom
sediments collected during the sampling mission of February 1996 at the different stations. The
mercury content in each fraction is expressed as a percentage of total mercury content in the whole
sediment
mercury onto sediments depends not only on the particle size distribution but also
on the physicochemical, mineralogical and surface composition of these particles.
ICP-AES and ICP-MS analyses show that mercury pollution in the sediments is
associated with high concentrations of AI, Fe, Mn and Ti (Messaltfa 1997).
J. L. Probst et al.
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Fig. 9. Distribution of total mercury in different granulometric fractions of the river bottom
sediments collected during the sampling mission of February 1996 at the different stations. The
mercury content in each fraction is expressed as a percentage of total mercury content in the whole
sediment
mercury onto sediments depends not only on the particle size distribution but also
on the physicochemical, mineralogical and surface composition of these particles.
ICP-AES and ICP-MS analyses show that mercury pollution in the sediments is
associated with high concentrations of AI, Fe, Mn and Ti (Messaltfa 1997).