condition mean min max 12pM Fe 98.139075 97.6285 98.64965000000001 58pM Fe 64.86676428571428 52.50942857142857 77.2241 233pM Fe 45.895700000000005 45.895700000000005 45.895700000000005 1160pM Fe 28.06742738095238 20.359883333333332 35.774971428571426 Dark 53.97233 45.44906 62.4956 Light 25.130778461538462 25.130778461538462 25.130778461538462 Phloroglucinol 42.35493333333333 42.35493333333333 42.35493333333333