condition mean min max 12pM Fe 22.9241 22.582 23.266199999999998 58pM Fe 17.769514285714287 16.2468 19.292228571428574 233pM Fe 12.2334 12.2334 12.2334 1160pM Fe 12.717121130952382 11.087670833333334 14.34657142857143 Dark 4.885071333333333 4.62974 5.140402666666667 Light 3.567915769230769 3.567915769230769 3.567915769230769 Phloroglucinol 8.92928 8.92928 8.92928