condition mean min max 12pM Fe 54.558475 49.70395 59.413 58pM Fe 43.075199999999995 36.0552 50.0952 233pM Fe 26.4868 26.4868 26.4868 1160pM Fe 31.678594642857142 26.632775 36.72441428571429 Dark 37.10156 15.0413 59.16182 Light 41.79916 41.79916 41.79916 Phloroglucinol 28.287933333333335 28.287933333333335 28.287933333333335