1. Department of Earth Sciences, Utrecht University, Budapestlaan 4, Utrecht 3584 CD, Netherlands
2. Faculty of Environmental Engineering, Wrocław University of Science and Technology, Wybrzeże Wyspiańskiego 27, Wrocław 50-370, Poland
3. Faculty of Chemistry, Taras Shevchenko National University of Kyiv, Lva Tolstogo Street 12, Kyiv 01601, Ukraine