condition mean min max 12pM Fe 34.68805 31.8509 37.5252 58pM Fe 43.65710714285714 37.2977 50.01651428571429 233pM Fe 21.5361 21.5361 21.5361 1160pM Fe 14.27320267857143 8.5694625 19.97694285714286 Dark 20.386231666666667 18.3767 22.395763333333335 Light 13.44162176923077 13.44162176923077 13.44162176923077 Phloroglucinol 37.9659 37.9659 37.9659