Abstract
A number of experiments aimed at developing methods for speciated measurements of the concentrations of airborne Hg0, Hg11a and Hg11b, with sampling by Au traps and H2O-bubblers have been performed. The results have led to some unexpected conclusions regarding the interaction of atmospheric components, including the Hg forms mentioned, and a Au surface. It is now believed that the sampling technique in question may give artifacts due to redox processes occurring in the sampling equipment during collection. These limitations are of major interest since at present Au collectors are most frequently applied in the determination of Hg in ambient air.
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Brosset, C., Iverfeldt, Å. Interaction of solid gold with mercury in ambient air. Water Air Soil Pollut 43, 147–168 (1989). https://doi.org/10.1007/BF00175590
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DOI: https://doi.org/10.1007/BF00175590