condition mean min max 12pM Fe 26.726599999999998 24.9813 28.471899999999998 58pM Fe 24.109985714285713 23.30197142857143 24.918 233pM Fe 23.7634 23.7634 23.7634 1160pM Fe 17.679384523809524 17.316683333333334 18.042085714285715 Dark 16.276223333333334 15.945946666666666 16.6065 Light 15.141522307692307 15.141522307692307 15.141522307692307 Phloroglucinol 19.6874 19.6874 19.6874