condition mean min max 12pM Fe 59.561525 58.73615 60.3869 58pM Fe 43.52513571428571 40.4797 46.57057142857143 233pM Fe 56.2177 56.2177 56.2177 1160pM Fe 42.567720238095234 30.195657142857144 54.93978333333333 Dark 38.62154666666667 35.0876 42.15549333333333 Light 26.15868923076923 26.15868923076923 26.15868923076923 Phloroglucinol 27.7861 27.7861 27.7861