condition mean min max 12pM Fe 66.8746 52.0124 81.7368 58pM Fe 54.88770714285714 47.3148 62.460614285714286 233pM Fe 37.2233 37.2233 37.2233 1160pM Fe 31.54732619047619 29.851566666666667 33.24308571428571 Dark 70.031643 57.612786 82.4505 Light 30.238794615384613 30.238794615384613 30.238794615384613 Phloroglucinol 7.77594 7.77594 7.77594