Figure 6From: Decoupling of arsenic and iron release from ferrihydrite suspension under reducing conditions: a biogeochemical modelSaturation index of the Fe(II) minerals siderite (stars), vivianite (triangles) and magnetite (squares). Each group of 3 points includes data of experiments AD1, CP1, AD5, CP5 after 1 day, 28 days and 63 days of As-2LFh incubation, assuming pH = 6.Back to article page