condition mean min max 12pM Fe 35.6624 27.943 43.3818 58pM Fe 33.63547142857143 23.9825 43.288442857142854 233pM Fe 39.316 39.316 39.316 1160pM Fe 14.999061607142856 12.464985714285714 17.5331375 Dark 25.26686 19.8775 30.65622 Light 19.009614615384617 19.009614615384617 19.009614615384617 Phloroglucinol 5.268963333333334 5.268963333333334 5.268963333333334