condition mean min max 12pM Fe 24.44735 22.8789 26.0158 58pM Fe 39.38811428571428 36.02482857142857 42.7514 233pM Fe 142.557 142.557 142.557 1160pM Fe 59.32393004761905 3.3320184285714283 115.31584166666667 Dark 153.31673666666666 36.2354 270.39807333333334 Light 167.942337 167.942337 167.942337 Phloroglucinol 52.2731 52.2731 52.2731