condition mean min max 12pM Fe 28.555725 27.09095 30.0205 58pM Fe 23.795685714285714 15.715071428571429 31.8763 233pM Fe 10.13346 10.13346 10.13346 1160pM Fe 17.877797857142856 9.28421 26.471385714285713 Dark 13.277923666666666 12.896847333333334 13.659 Light 10.98273923076923 10.98273923076923 10.98273923076923 Phloroglucinol 19.3204 19.3204 19.3204