condition mean min max 12pM Fe 41.09445 37.0138 45.1751 58pM Fe 34.05638571428571 29.85557142857143 38.2572 233pM Fe 41.095 41.095 41.095 1160pM Fe 22.20636904761905 14.933566666666666 29.47917142857143 Dark 28.770429999999998 27.999 29.54186 Light 22.232786923076922 22.232786923076922 22.232786923076922 Phloroglucinol 44.9916 44.9916 44.9916