condition mean min max 12pM Fe 43.247749999999996 34.9697 51.5258 58pM Fe 32.48849285714286 26.420385714285715 38.5566 233pM Fe 26.189233333333334 26.189233333333334 26.189233333333334 1160pM Fe 26.58712142857143 18.2851 34.88914285714286 Dark 29.02498 25.8418 32.20816 Light 39.25563076923077 39.25563076923077 39.25563076923077 Phloroglucinol 32.634100000000004 32.634100000000004 32.634100000000004