condition mean min max 12pM Fe 40.98375 25.6984 56.2691 58pM Fe 32.39452142857143 19.097442857142855 45.6916 233pM Fe 16.464199999999998 16.464199999999998 16.464199999999998 1160pM Fe 51.97795458333333 40.8724 63.083509166666666 Dark 24.85868333333333 19.9427 29.774666666666665 Light 39.99528076923077 39.99528076923077 39.99528076923077 Phloroglucinol 48.7849 48.7849 48.7849