condition mean min max 12pM Fe 44.88805 43.1457 46.6304 58pM Fe 37.34686428571428 28.16572857142857 46.528 233pM Fe 19.2731 19.2731 19.2731 1160pM Fe 15.453967500000001 10.210035 20.6979 Dark 17.986010999999998 17.915522 18.0565 Light 12.093254615384616 12.093254615384616 12.093254615384616 Phloroglucinol 11.6584 11.6584 11.6584