condition mean min max 12pM Fe 23.969225 23.61755 24.3209 58pM Fe 16.29375 13.8795 18.708 233pM Fe 16.860599999999998 16.860599999999998 16.860599999999998 1160pM Fe 11.607373452380951 7.533318333333333 15.68142857142857 Dark 13.002269666666667 11.9011 14.103439333333334 Light 11.024575384615385 11.024575384615385 11.024575384615385 Phloroglucinol 26.9776 26.9776 26.9776