condition mean min max 12pM Fe 112.19175 107.56 116.8235 58pM Fe 96.52126428571428 84.0367 109.00582857142857 233pM Fe 65.22630000000001 65.22630000000001 65.22630000000001 1160pM Fe 59.596539880952385 56.28947142857143 62.90360833333334 Dark 52.88007 35.0801 70.68004 Light 49.26947692307692 49.26947692307692 49.26947692307692 Phloroglucinol 145.65433333333334 145.65433333333334 145.65433333333334