1. Bundesanstalt für Materialforschung und-prüfung (BAM), Richard Willstaetter-Strasse 11, 12489 Berlin, Germany
2. Research Institute for Bioscience Products and Fine Chemicals, Ajinomoto Co., Inc., Suzuki-cho 1-1, Kawasaki-ku, Kawasaki-shi, Kanagawa 210-8681, Japan
3. Spetec GmbH, Berghamer Strasse 2, 85435 Erding, Germany
4. Institute of Analytical Chemistry, University of Vienna, Waehringer-Strasse 38, 1090 Vienna, Austria
5. Institute of Inorganic Chemistry, University of Vienna, Waehringer-Strasse 42, 1090 Vienna, Austria
6. Geochemical Research Center, The University of Tokyo, Hongo 7-3-1, Bunkyo-ku, Tokyo 113-0033, Japan