condition mean min max 12pM Fe 29.314600000000002 19.017200000000003 39.612 58pM Fe 35.31256428571429 21.142028571428572 49.4831 233pM Fe 62.1683 62.1683 62.1683 1160pM Fe 37.84099583333334 24.601 51.08099166666667 Dark 47.05144 39.1257 54.97718 Light 46.844971538461536 46.844971538461536 46.844971538461536 Phloroglucinol 15.24698 15.24698 15.24698