condition mean min max 12pM Fe 105.30045 88.0239 122.577 58pM Fe 47.53586428571428 37.3109 57.76082857142857 233pM Fe 31.7393 31.7393 31.7393 1160pM Fe 14.28594880952381 13.929914285714286 14.641983333333334 Dark 37.87392 12.7477 63.000139999999995 Light 33.09319307692308 33.09319307692308 33.09319307692308 Phloroglucinol 76.1445 76.1445 76.1445