condition mean min max 12pM Fe 13.219625 11.3544 15.08485 58pM Fe 12.5339 11.1234 13.9444 233pM Fe 18.2501 18.2501 18.2501 1160pM Fe 10.243784821428573 8.760927142857144 11.7266425 Dark 20.991731666666666 19.579263333333333 22.4042 Light 13.53897 13.53897 13.53897 Phloroglucinol 5.02621 5.02621 5.02621