condition mean min max 12pM Fe 36.917925 35.9775 37.85835 58pM Fe 33.7094 32.285 35.1338 233pM Fe 40.568133333333336 40.568133333333336 40.568133333333336 1160pM Fe 45.49979821428571 22.14117142857143 68.858425 Dark 42.69015 27.5764 57.8039 Light 45.86748615384615 45.86748615384615 45.86748615384615 Phloroglucinol 23.247999999999998 23.247999999999998 23.247999999999998