condition mean min max 12pM Fe 8.08346 4.57292 11.594000000000001 58pM Fe 14.463012857142857 3.31064 25.615385714285715 233pM Fe 26.6016 26.6016 26.6016 1160pM Fe 26.661693404761905 3.219545142857143 50.10384166666667 Dark 16.744453333333333 2.70212 30.786786666666668 Light 8.201352307692307 8.201352307692307 8.201352307692307 Phloroglucinol 3.79657 3.79657 3.79657