condition mean min max 12pM Fe 3.9549125000000003 2.84495 5.064875000000001 58pM Fe 16.886845 2.74619 31.0275 233pM Fe 5.76945 5.76945 5.76945 1160pM Fe 4.980837797619047 2.0531114285714285 7.908564166666666 Dark 7.528716166666667 5.0432 10.014232333333334 Light 3.4795536153846154 3.4795536153846154 3.4795536153846154 Phloroglucinol 1.8968079999999998 1.8968079999999998 1.8968079999999998