condition mean min max 12pM Fe 39.39915 33.0272 45.7711 58pM Fe 44.688335714285714 29.295471428571428 60.0812 233pM Fe 43.471 43.471 43.471 1160pM Fe 54.91608511904762 46.92872857142857 62.903441666666666 Dark 55.46686 49.158319999999996 61.7754 Light 40.53861538461538 40.53861538461538 40.53861538461538 Phloroglucinol 49.570299999999996 49.570299999999996 49.570299999999996