condition mean min max 12pM Fe 52.24355 35.504400000000004 68.9827 58pM Fe 46.69265 43.7767 49.6086 233pM Fe 14.1178 14.1178 14.1178 1160pM Fe 36.485061309523815 35.18391428571429 37.786208333333335 Dark 35.42301466666667 33.061429333333336 37.7846 Light 35.905211538461536 35.905211538461536 35.905211538461536 Phloroglucinol 43.5449 43.5449 43.5449