condition mean min max 12pM Fe 165.82799999999997 149.373 182.283 58pM Fe 136.27813571428572 100.14027142857144 172.416 233pM Fe 133.51 133.51 133.51 1160pM Fe 79.41513690476191 56.165416666666665 102.66485714285714 Dark 71.63592666666668 61.56075333333334 81.7111 Light 36.227932307692306 36.227932307692306 36.227932307692306 Phloroglucinol 23.2828 23.2828 23.2828