condition mean min max 12pM Fe 17.566625000000002 15.38815 19.7451 58pM Fe 19.977912142857143 14.7943 25.161524285714286 233pM Fe 14.3757 14.3757 14.3757 1160pM Fe 24.68224386904762 10.429958571428571 38.93452916666667 Dark 18.96107333333333 6.21001 31.712136666666666 Light 7.566514615384616 7.566514615384616 7.566514615384616 Phloroglucinol 33.906 33.906 33.906