condition mean min max 12pM Fe 63.706199999999995 60.403 67.0094 58pM Fe 63.262621428571435 61.74214285714286 64.7831 233pM Fe 40.2448 40.2448 40.2448 1160pM Fe 41.21713154761905 28.009191666666666 54.42507142857143 Dark 35.317388 34.338876 36.2959 Light 32.92337538461538 32.92337538461538 32.92337538461538 Phloroglucinol 24.2907 24.2907 24.2907