condition mean min max 12pM Fe 26.24125 22.6108 29.8717 58pM Fe 17.254292857142858 14.831485714285714 19.6771 233pM Fe 12.2732 12.2732 12.2732 1160pM Fe 13.112630773809524 11.099275833333333 15.125985714285713 Dark 11.73641 9.97775 13.49507 Light 10.722606923076922 10.722606923076922 10.722606923076922 Phloroglucinol 13.11922 13.11922 13.11922