condition mean min max 12pM Fe 139.29275 137.8665 140.719 58pM Fe 116.75220714285715 96.2507 137.2537142857143 233pM Fe 224.04500000000002 224.04500000000002 224.04500000000002 1160pM Fe 143.0292630952381 107.63594285714285 178.42258333333334 Dark 156.44262333333333 129.11324666666667 183.772 Light 90.50757692307693 90.50757692307693 90.50757692307693 Phloroglucinol 46.676 46.676 46.676