condition mean min max 12pM Fe 27.576425 27.25385 27.899 58pM Fe 20.31687142857143 18.00464285714286 22.6291 233pM Fe 23.9422 23.9422 23.9422 1160pM Fe 26.110376785714287 23.57962857142857 28.641125 Dark 30.439145 29.6835 31.19479 Light 25.52272076923077 25.52272076923077 25.52272076923077 Phloroglucinol 31.4143 31.4143 31.4143