condition mean min max 12pM Fe 124.514025 106.46105 142.567 58pM Fe 72.23913571428571 62.5935 81.88477142857143 233pM Fe 80.76270000000001 80.76270000000001 80.76270000000001 1160pM Fe 89.22923452380952 47.349183333333336 131.1092857142857 Dark 39.392696666666666 36.5479 42.23749333333333 Light 71.85870307692308 71.85870307692308 71.85870307692308 Phloroglucinol 46.0593 46.0593 46.0593