1. TESLA-Trace
Element Speciation Laboratory, Department of Chemistry, University of Aberdeen, Aberdeen, AB24 3UE, Scotland, U.K.
2. Institute of Analytical Chemistry of the ASCR, v. v. i., Veveří 97, 602 00 Brno, Czech Republic
3. Matis,
Environment and Genetics Department, Vinlandsleid 12, 113 Reykjavik, Iceland