condition mean min max 12pM Fe 84.289175 75.85185 92.7265 58pM Fe 348.6994785714286 161.76595714285713 535.633 233pM Fe 18.4478 18.4478 18.4478 1160pM Fe 36.57645059523809 16.98645833333333 56.166442857142854 Dark 22.467163333333335 13.569 31.365326666666668 Light 35.27326076923077 35.27326076923077 35.27326076923077 Phloroglucinol 10.49552 10.49552 10.49552