condition mean min max 12pM Fe 42.179775 36.1707 48.18885 58pM Fe 43.647935714285715 28.805 58.49087142857143 233pM Fe 54.1089 54.1089 54.1089 1160pM Fe 36.55396785714286 18.512485714285713 54.59545 Dark 63.0457 57.9364 68.155 Light 58.08063846153846 58.08063846153846 58.08063846153846 Phloroglucinol 22.3675 22.3675 22.3675