condition mean min max 12pM Fe 78.344825 76.0201 80.66955 58pM Fe 212.50965 111.11030000000001 313.909 233pM Fe 45.4775 45.4775 45.4775 1160pM Fe 32.80298928571428 28.62852857142857 36.97745 Dark 49.36058666666666 43.81897333333333 54.9022 Light 32.13941923076923 32.13941923076923 32.13941923076923 Phloroglucinol 71.9532 71.9532 71.9532