condition mean min max 12pM Fe 24.673049999999996 23.328899999999997 26.0172 58pM Fe 19.78037857142857 17.77725714285714 21.7835 233pM Fe 18.869933333333332 18.869933333333332 18.869933333333332 1160pM Fe 18.13621726190476 14.686891666666666 21.58554285714286 Dark 20.665993999999998 13.3347 27.997287999999998 Light 25.23030846153846 25.23030846153846 25.23030846153846 Phloroglucinol 33.1287 33.1287 33.1287