condition mean min max 12pM Fe 43.887725 40.40775 47.3677 58pM Fe 50.59975 43.972 57.2275 233pM Fe 94.5426 94.5426 94.5426 1160pM Fe 56.137124404761906 29.582857142857144 82.69139166666666 Dark 99.12444333333333 97.6936 100.55528666666666 Light 113.18852307692308 113.18852307692308 113.18852307692308 Phloroglucinol 43.600899999999996 43.600899999999996 43.600899999999996