condition mean min max 12pM Fe 48.4794 33.0625 63.8963 58pM Fe 40.028549999999996 26.112199999999998 53.9449 233pM Fe 30.202833333333334 30.202833333333334 30.202833333333334 1160pM Fe 29.802439880952377 15.105208333333334 44.499671428571425 Dark 25.52929 24.1315 26.92708 Light 30.367941538461537 30.367941538461537 30.367941538461537 Phloroglucinol 28.3076 28.3076 28.3076