condition mean min max 12pM Fe 32.251435 1.83987 62.663 58pM Fe 24.344177142857145 1.08534 47.60301428571429 233pM Fe 44.2318 44.2318 44.2318 1160pM Fe 13.261917880952382 0.4681524285714286 26.055683333333334 Dark 19.231864666666667 16.9418 21.521929333333333 Light 4.506588923076923 4.506588923076923 4.506588923076923 Phloroglucinol 12.6653 12.6653 12.6653