condition mean min max 12pM Fe 27.44565 26.3195 28.5718 58pM Fe 25.321192857142858 22.3856 28.256785714285716 233pM Fe 12.0001 12.0001 12.0001 1160pM Fe 19.112295833333334 18.1714 20.053191666666667 Dark 25.360973 23.7171 27.004846 Light 14.719543076923078 14.719543076923078 14.719543076923078 Phloroglucinol 4.36893 4.36893 4.36893