condition mean min max 12pM Fe 50.0823 38.199799999999996 61.9648 58pM Fe 34.274907142857145 24.129714285714286 44.4201 233pM Fe 14.3294 14.3294 14.3294 1160pM Fe 20.679195833333335 19.47909166666667 21.8793 Dark 25.246735466666667 24.726870933333334 25.7666 Light 25.994665384615384 25.994665384615384 25.994665384615384 Phloroglucinol 2.21262 2.21262 2.21262