condition mean min max 12pM Fe 92.1601 71.5957 112.7245 58pM Fe 95.07520714285715 65.7917 124.35871428571429 233pM Fe 103.816 103.816 103.816 1160pM Fe 84.81758273809524 62.96785714285714 106.66730833333334 Dark 51.41021 39.4026 63.41782 Light 42.25467692307692 42.25467692307692 42.25467692307692 Phloroglucinol 58.7992 58.7992 58.7992