condition mean min max 12pM Fe 56.825075 53.19445 60.4557 58pM Fe 43.84748571428572 40.33957142857143 47.3554 233pM Fe 31.8266 31.8266 31.8266 1160pM Fe 29.86118630952381 16.339858333333332 43.38251428571429 Dark 33.087613 25.108425999999998 41.0668 Light 14.895500153846154 14.895500153846154 14.895500153846154 Phloroglucinol 18.483 18.483 18.483