condition mean min max 12pM Fe 48.903275 43.54005 54.2665 58pM Fe 65.38066428571429 45.467128571428574 85.2942 233pM Fe 159.803 159.803 159.803 1160pM Fe 140.9083550714286 3.315460142857143 278.50125 Dark 193.71997 84.7002 302.73974 Light 221.46262846153846 221.46262846153846 221.46262846153846 Phloroglucinol 34.20695333333333 34.20695333333333 34.20695333333333