condition mean min max 12pM Fe 18.5551 17.7139 19.3963 58pM Fe 12.230507142857142 11.678714285714285 12.7823 233pM Fe 14.1575 14.1575 14.1575 1160pM Fe 16.191484523809525 15.224885714285714 17.158083333333334 Dark 18.679043333333333 14.5063 22.851786666666666 Light 17.519915384615384 17.519915384615384 17.519915384615384 Phloroglucinol 20.242 20.242 20.242