condition mean min max 12pM Fe 31.407575 14.24905 48.5661 58pM Fe 55.28554285714286 18.797085714285714 91.774 233pM Fe 39.7342 39.7342 39.7342 1160pM Fe 100.63910369047619 15.657315714285714 185.62089166666667 Dark 167.10738666666666 34.1087 300.1060733333333 Light 335.82696076923077 335.82696076923077 335.82696076923077 Phloroglucinol 52.9424 52.9424 52.9424