condition mean min max 12pM Fe 53.13305 36.907399999999996 69.3587 58pM Fe 34.87867142857143 23.543642857142856 46.2137 233pM Fe 17.5091 17.5091 17.5091 1160pM Fe 36.81389166666666 31.5617 42.06608333333333 Dark 14.471322 11.5421 17.400544 Light 25.711845384615383 25.711845384615383 25.711845384615383 Phloroglucinol 64.69330000000001 64.69330000000001 64.69330000000001