condition mean min max 12pM Fe 81.87065 60.6553 103.086 58pM Fe 62.93841428571429 52.26412857142857 73.6127 233pM Fe 47.1594 47.1594 47.1594 1160pM Fe 47.838673928571424 20.830305 74.84704285714285 Dark 63.45886333333334 44.63122666666667 82.2865 Light 48.99594538461538 48.99594538461538 48.99594538461538 Phloroglucinol 11.71555 11.71555 11.71555