condition mean min max 12pM Fe 8.00796 3.40967 12.60625 58pM Fe 20.662611428571427 2.26278 39.062442857142855 233pM Fe 38.1934 38.1934 38.1934 1160pM Fe 29.37047523809524 1.8975671428571428 56.843383333333335 Dark 17.56663533333333 12.0046 23.128670666666665 Light 11.451201384615384 11.451201384615384 11.451201384615384 Phloroglucinol 2.39708 2.39708 2.39708