condition mean min max 12pM Fe 22.389899999999997 15.2427 29.5371 58pM Fe 19.146307142857143 15.0743 23.218314285714285 233pM Fe 35.9766 35.9766 35.9766 1160pM Fe 19.011804166666664 17.645699999999998 20.377908333333334 Dark 28.300499000000002 23.3119 33.289098 Light 19.444051538461537 19.444051538461537 19.444051538461537 Phloroglucinol 8.48549 8.48549 8.48549