condition mean min max 12pM Fe 33.632374999999996 31.3094 35.955349999999996 58pM Fe 24.441735714285713 19.4954 29.38807142857143 233pM Fe 19.247433333333333 19.247433333333333 19.247433333333333 1160pM Fe 18.578778571428572 17.81715714285714 19.3404 Dark 17.2537778 13.1902 21.3173556 Light 20.539426153846154 20.539426153846154 20.539426153846154 Phloroglucinol 11.47118 11.47118 11.47118