condition mean min max 12pM Fe 127.134 111.71600000000001 142.552 58pM Fe 85.35172142857144 66.71544285714286 103.988 233pM Fe 43.066833333333335 43.066833333333335 43.066833333333335 1160pM Fe 44.25855297619048 34.77809166666667 53.73901428571429 Dark 55.86161 55.191520000000004 56.5317 Light 44.10633846153846 44.10633846153846 44.10633846153846 Phloroglucinol 18.139200000000002 18.139200000000002 18.139200000000002