condition mean min max 12pM Fe 51.083124999999995 15.93045 86.2358 58pM Fe 50.6901 6.8409 94.5393 233pM Fe 10.13528 10.13528 10.13528 1160pM Fe 34.73807386904762 3.2188191666666666 66.25732857142857 Dark 9.621952266666668 8.928604533333333 10.3153 Light 3.7261286153846154 3.7261286153846154 3.7261286153846154 Phloroglucinol 5.25503 5.25503 5.25503