condition mean min max 12pM Fe 38.965575 32.77955 45.1516 58pM Fe 62.84036428571429 49.1912 76.48952857142856 233pM Fe 95.3561 95.3561 95.3561 1160pM Fe 92.39656785714286 41.774385714285714 143.01875 Dark 77.68905000000001 51.8173 103.5608 Light 89.73924615384615 89.73924615384615 89.73924615384615 Phloroglucinol 16.2843 16.2843 16.2843