condition mean min max 12pM Fe 47.43665 43.1053 51.768 58pM Fe 41.46471428571429 31.46582857142857 51.4636 233pM Fe 25.3197 25.3197 25.3197 1160pM Fe 23.30039642857143 10.49525 36.10554285714286 Dark 23.276176333333332 20.201152666666665 26.3512 Light 30.634071384615382 30.634071384615382 30.634071384615382 Phloroglucinol 12.3676 12.3676 12.3676