condition mean min max 12pM Fe 12.878805 11.12251 14.6351 58pM Fe 8.207960714285715 4.374921428571429 12.041 233pM Fe 12.1946 12.1946 12.1946 1160pM Fe 21.257599892857144 3.5187855 38.99641428571429 Dark 42.487778633333335 5.00662 79.96893726666667 Light 32.72490384615384 32.72490384615384 32.72490384615384 Phloroglucinol 3.6677 3.6677 3.6677