condition mean min max 12pM Fe 40.52635 34.918800000000005 46.1339 58pM Fe 28.342928571428573 20.119957142857142 36.5659 233pM Fe 35.2185 35.2185 35.2185 1160pM Fe 28.788401785714285 19.434875 38.14192857142857 Dark 39.670366666666666 36.213633333333334 43.1271 Light 33.76276153846154 33.76276153846154 33.76276153846154 Phloroglucinol 25.4333 25.4333 25.4333