condition mean min max 12pM Fe 22.275399999999998 19.6985 24.8523 58pM Fe 27.1348 26.4027 27.8669 233pM Fe 44.6628 44.6628 44.6628 1160pM Fe 36.1926930952381 7.579702857142857 64.80568333333333 Dark 65.09989999999999 33.6301 96.5697 Light 84.84094015384615 84.84094015384615 84.84094015384615 Phloroglucinol 25.3136 25.3136 25.3136