condition mean min max 12pM Fe 80.813475 60.91695 100.71 58pM Fe 54.38502142857143 40.66964285714286 68.1004 233pM Fe 26.3566 26.3566 26.3566 1160pM Fe 38.83564821428571 16.140625 61.53067142857143 Dark 35.50439 32.0791 38.92968 Light 34.31001923076923 34.31001923076923 34.31001923076923 Phloroglucinol 51.69643333333333 51.69643333333333 51.69643333333333