condition mean min max 12pM Fe 37.77945 35.0406 40.5183 58pM Fe 39.67297142857143 33.45484285714286 45.8911 233pM Fe 21.677500000000002 21.677500000000002 21.677500000000002 1160pM Fe 21.663248214285716 18.749125 24.57737142857143 Dark 42.51392 41.1504 43.87744 Light 73.07598461538461 73.07598461538461 73.07598461538461 Phloroglucinol 29.46823333333333 29.46823333333333 29.46823333333333