condition mean min max 12pM Fe 26.598175 23.38575 29.8106 58pM Fe 16.50507857142857 13.499557142857142 19.5106 233pM Fe 8.282453333333333 8.282453333333333 8.282453333333333 1160pM Fe 81.17273053571428 15.242828571428571 147.1026325 Dark 15.530804999999999 8.83963 22.22198 Light 33.89302307692308 33.89302307692308 33.89302307692308 Phloroglucinol 47.626 47.626 47.626