condition mean min max 12pM Fe 4.969844999999999 3.77349 6.1662 58pM Fe 3.797647142857143 2.1391542857142856 5.45614 233pM Fe 1.45969 1.45969 1.45969 1160pM Fe 2.2190296726190475 1.9709979166666667 2.4670614285714287 Dark 2.6087609 0.910896 4.3066258 Light 3.379607692307692 3.379607692307692 3.379607692307692 Phloroglucinol 2.49852 2.49852 2.49852