condition mean min max 12pM Fe 44.787549999999996 43.8061 45.769 58pM Fe 36.110992857142854 31.0874 41.13458571428571 233pM Fe 32.2571 32.2571 32.2571 1160pM Fe 26.26489642857143 25.54815 26.98164285714286 Dark 24.57816 18.6319 30.52442 Light 26.696950769230767 26.696950769230767 26.696950769230767 Phloroglucinol 26.5227 26.5227 26.5227