condition mean min max 12pM Fe 37.446725 35.31365 39.5798 58pM Fe 29.5154 27.2296 31.8012 233pM Fe 15.0309 15.0309 15.0309 1160pM Fe 16.273532023809523 11.292478333333333 21.254585714285714 Dark 14.573941000000001 12.7023 16.445582 Light 12.05493923076923 12.05493923076923 12.05493923076923 Phloroglucinol 60.394 60.394 60.394