condition mean min max 12pM Fe 251.74775 188.1995 315.296 58pM Fe 237.57642857142858 210.84785714285715 264.305 233pM Fe 145.188 145.188 145.188 1160pM Fe 148.62280059523812 136.40105833333334 160.84454285714287 Dark 139.7177 90.6774 188.758 Light 90.61396923076923 90.61396923076923 90.61396923076923 Phloroglucinol 67.9197 67.9197 67.9197