Contamination by human fingers: The Midas touch |
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Authors: | R Gwozdz F Grass |
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Institution: | (1) Tracechem, DK-2300 Copenhagen, Denmark E-mail;(2) Atominstitut der Österreichischen Universitäten, Stadionallee 2, A-1020 Vienna, Austria |
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Abstract: | Anthropogenic activity is one of the causes of contamination in the human environment: contamination of air, water, top soils, plants and food products has complex effects on human health problems. Wear and abrasion of various surfaces are constant processes in daily life, and commonly include interaction between human fingers and surfaces of every conceivable material. New methods for investigation of trace transfer processes by human fingers are described. Results of transfer for commonly used metals such as gold, silver, zinc, cadmium, tin, cobalt, nickel, chromium and iron are presented. Relationship between transfer of metals by touch and the general problem of purity in analytical activities is briefly discussed. |
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