condition mean min max 12pM Fe 430.076 308.45500000000004 551.697 58pM Fe 410.5417857142857 261.36157142857144 559.722 233pM Fe 256.71500000000003 256.71500000000003 256.71500000000003 1160pM Fe 370.9354107142857 239.75625 502.1145714285714 Dark 349.4807666666667 307.66153333333335 391.3 Light 459.84023076923074 459.84023076923074 459.84023076923074 Phloroglucinol 316.782 316.782 316.782