condition mean min max 12pM Fe 14.27355 13.5294 15.0177 58pM Fe 11.757521428571428 11.543642857142856 11.9714 233pM Fe 14.8166 14.8166 14.8166 1160pM Fe 10.124009702380953 9.624470833333334 10.623548571428572 Dark 11.373075 11.26155 11.4846 Light 6.3176130769230765 6.3176130769230765 6.3176130769230765 Phloroglucinol 9.96441 9.96441 9.96441