condition mean min max 12pM Fe 163.48874999999998 156.9485 170.029 58pM Fe 183.99214285714288 176.10128571428572 191.883 233pM Fe 158.477 158.477 158.477 1160pM Fe 149.79689285714286 118.4385 181.15528571428572 Dark 234.35086666666666 216.05073333333334 252.651 Light 282.7571 282.7571 282.7571 Phloroglucinol 291.361 291.361 291.361