condition mean min max 12pM Fe 25.390375 19.49205 31.2887 58pM Fe 18.777157142857142 14.837814285714286 22.7165 233pM Fe 11.766 11.766 11.766 1160pM Fe 13.555192261904761 12.006841666666666 15.103542857142857 Dark 11.327184 9.56023 13.094138000000001 Light 13.111787692307692 13.111787692307692 13.111787692307692 Phloroglucinol 15.6855 15.6855 15.6855