condition mean min max 12pM Fe 20.27245 16.801299999999998 23.7436 58pM Fe 20.363535714285714 11.741771428571429 28.9853 233pM Fe 13.411999999999999 13.411999999999999 13.411999999999999 1160pM Fe 13.724258988095238 8.028460833333334 19.420057142857143 Dark 11.788325333333333 10.715850666666666 12.8608 Light 10.314763076923077 10.314763076923077 10.314763076923077 Phloroglucinol 20.9847 20.9847 20.9847