condition mean min max 12pM Fe 95.787475 86.92495 104.65 58pM Fe 63.346050000000005 51.2948 75.3973 233pM Fe 56.054233333333336 56.054233333333336 56.054233333333336 1160pM Fe 79.24876607142858 62.78995714285714 95.707575 Dark 46.75944 34.9516 58.56728 Light 56.75033538461538 56.75033538461538 56.75033538461538 Phloroglucinol 120.2803 120.2803 120.2803