1. Institute of Chemical Process Engineering, Mannheim University of Applied Sciences, Paul-Wittsack-Str. 10, 68163 Mannheim, Germany
2. Merck KGaA, Frankfurter Str. 250, 64293 Darmstadt, Germany
3. Merck Electronics KGaA, Frankfurter Str. 250, 64293 Darmstadt, Germany