condition mean min max 12pM Fe 1598.8747500000002 971.9895 2225.76 58pM Fe 906.3291428571429 497.22828571428573 1315.43 233pM Fe 93.24369999999999 93.24369999999999 93.24369999999999 1160pM Fe 162.49334761904763 125.94626666666667 199.04042857142858 Dark 134.39988 87.9665 180.83326 Light 233.31065384615385 233.31065384615385 233.31065384615385 Phloroglucinol 100.00273333333332 100.00273333333332 100.00273333333332