condition mean min max 12pM Fe 26.09665 17.7641 34.4292 58pM Fe 3.1924792857142856 0.0 6.384958571428571 233pM Fe 13.322700000000001 13.322700000000001 13.322700000000001 1160pM Fe 16.30659142857143 14.248962857142857 18.36422 Dark 278.1691653333333 23.977 532.3613306666666 Light 142.82361538461538 142.82361538461538 142.82361538461538 Phloroglucinol 544.946 544.946 544.946