condition mean min max 12pM Fe 46.67585 45.8357 47.516 58pM Fe 42.76537142857143 37.882642857142855 47.6481 233pM Fe 46.9883 46.9883 46.9883 1160pM Fe 44.06519761904762 34.650328571428574 53.480066666666666 Dark 41.70968 21.3548 62.06456 Light 56.99720923076923 56.99720923076923 56.99720923076923 Phloroglucinol 33.4797 33.4797 33.4797