condition mean min max 12pM Fe 39.8916 38.8327 40.9505 58pM Fe 40.91995 27.6841 54.1558 233pM Fe 19.4393 19.4393 19.4393 1160pM Fe 71.31809047619048 32.29991428571429 110.33626666666666 Dark 26.300468000000002 22.6343 29.966636 Light 29.64222923076923 29.64222923076923 29.64222923076923 Phloroglucinol 9.36119 9.36119 9.36119