condition mean min max 12pM Fe 33.6731 29.0158 38.3304 58pM Fe 25.841185714285714 22.17257142857143 29.5098 233pM Fe 34.7859 34.7859 34.7859 1160pM Fe 24.41755476190476 20.251166666666666 28.58394285714286 Dark 27.756349999999998 27.188 28.3247 Light 29.74088076923077 29.74088076923077 29.74088076923077 Phloroglucinol 45.0022 45.0022 45.0022