condition mean min max 12pM Fe 20.543075 17.13815 23.948 58pM Fe 19.008185714285716 15.196071428571429 22.8203 233pM Fe 15.915700000000001 15.915700000000001 15.915700000000001 1160pM Fe 14.18466494047619 9.755244166666667 18.614085714285714 Dark 8.136010333333333 5.98685 10.285170666666666 Light 6.45602 6.45602 6.45602 Phloroglucinol 81.3835 81.3835 81.3835