condition mean min max 12pM Fe 23.893725 23.3275 24.45995 58pM Fe 16.218357142857144 15.001914285714285 17.4348 233pM Fe 8.592080000000001 8.592080000000001 8.592080000000001 1160pM Fe 58.46935702380952 14.599385714285715 102.33932833333333 Dark 33.931022 26.4976 41.364444 Light 41.31482384615384 41.31482384615384 41.31482384615384 Phloroglucinol 58.4639 58.4639 58.4639