condition mean min max 12pM Fe 43.910675 22.63645 65.1849 58pM Fe 35.7209 8.318999999999999 63.1228 233pM Fe 8.74185 8.74185 8.74185 1160pM Fe 14.425673898809524 0.5378620833333333 28.313485714285715 Dark 17.313306066666666 12.469212133333333 22.1574 Light 4.426337461538462 4.426337461538462 4.426337461538462 Phloroglucinol 0.994441 0.994441 0.994441