condition mean min max 12pM Fe 49.313675 39.57665 59.0507 58pM Fe 42.585414285714286 27.53332857142857 57.6375 233pM Fe 26.5401 26.5401 26.5401 1160pM Fe 33.15236625 30.1823 36.1224325 Dark 37.54520266666667 34.53200533333333 40.5584 Light 32.94591538461538 32.94591538461538 32.94591538461538 Phloroglucinol 48.302 48.302 48.302