condition mean min max 12pM Fe 59.4514 56.7341 62.1687 58pM Fe 56.00439285714286 41.1238 70.88498571428572 233pM Fe 52.4475 52.4475 52.4475 1160pM Fe 64.83300178571429 41.487075 88.17892857142857 Dark 44.07556 42.54422 45.6069 Light 102.20547076923077 102.20547076923077 102.20547076923077 Phloroglucinol 22.39792333333333 22.39792333333333 22.39792333333333