condition mean min max 12pM Fe 45.580650000000006 42.03830000000001 49.123 58pM Fe 31.943 28.0454 35.8406 233pM Fe 24.0639 24.0639 24.0639 1160pM Fe 24.833021428571428 16.040300000000002 33.62574285714285 Dark 26.56166066666667 25.9075 27.215821333333334 Light 24.424589230769232 24.424589230769232 24.424589230769232 Phloroglucinol 24.1234 24.1234 24.1234