condition mean min max 12pM Fe 107.888425 99.11085 116.666 58pM Fe 84.43005714285715 50.43711428571429 118.423 233pM Fe 45.363 45.363 45.363 1160pM Fe 50.30791309523809 38.67348333333334 61.942342857142854 Dark 44.663380000000004 32.9701 56.35666 Light 39.62746923076923 39.62746923076923 39.62746923076923 Phloroglucinol 47.69193333333334 47.69193333333334 47.69193333333334