Fig. 2From: Laboratory and field studies on the use of artificial mussels as a monitoring tool of platinum exposure in the freshwater environmentPlatinum concentrations (mean ± SEM, n = 10) in the loading solutions, ultrapure water and 0.5 M HCl, with increasing loading time of the Chelex-100 beads. The initially added Pt concentration was 1000 µg/LBack to article page