condition mean min max 12pM Fe 61.63165 50.6007 72.6626 58pM Fe 44.71026428571429 36.71622857142857 52.7043 233pM Fe 24.38 24.38 24.38 1160pM Fe 27.494668452380953 22.916508333333333 32.07282857142857 Dark 33.92573 30.7465 37.10496 Light 30.712238461538462 30.712238461538462 30.712238461538462 Phloroglucinol 14.1354 14.1354 14.1354