condition mean min max 12pM Fe 88.1051 38.968199999999996 137.242 58pM Fe 90.49264285714287 26.174285714285716 154.811 233pM Fe 23.8997 23.8997 23.8997 1160pM Fe 98.60288583333333 9.108771666666666 188.097 Dark 72.88938333333334 64.06396666666667 81.7148 Light 88.60257692307692 88.60257692307692 88.60257692307692 Phloroglucinol 183.636 183.636 183.636