condition mean min max 12pM Fe 18.304575 13.542349999999999 23.0668 58pM Fe 16.97745 11.7848 22.1701 233pM Fe 14.0132 14.0132 14.0132 1160pM Fe 10.534984464285714 7.3004975000000005 13.769471428571428 Dark 13.415957 12.2788 14.553114 Light 12.603112307692308 12.603112307692308 12.603112307692308 Phloroglucinol 7.963203333333333 7.963203333333333 7.963203333333333