condition mean min max 12pM Fe 34.123125 26.679650000000002 41.5666 58pM Fe 25.033257142857142 24.825314285714285 25.2412 233pM Fe 13.008 13.008 13.008 1160pM Fe 16.458035833333334 9.212271666666666 23.7038 Dark 12.648279 9.80052 15.496038 Light 11.352634615384616 11.352634615384616 11.352634615384616 Phloroglucinol 11.7919 11.7919 11.7919