condition mean min max 12pM Fe 28.662850000000002 22.649900000000002 34.6758 58pM Fe 14.898707142857145 13.779714285714286 16.0177 233pM Fe 15.7065 15.7065 15.7065 1160pM Fe 12.473246964285714 9.0819225 15.864571428571429 Dark 14.58163 13.5409 15.62236 Light 9.973002307692308 9.973002307692308 9.973002307692308 Phloroglucinol 9.46222 9.46222 9.46222