condition mean min max 12pM Fe 39.0465 35.7304 42.3626 58pM Fe 31.131985714285715 29.0732 33.19077142857143 233pM Fe 29.994799999999998 29.994799999999998 29.994799999999998 1160pM Fe 18.617461904761903 15.030666666666667 22.20425714285714 Dark 40.78077666666667 38.6162 42.94535333333333 Light 42.02662769230769 42.02662769230769 42.02662769230769 Phloroglucinol 39.3911 39.3911 39.3911