condition mean min max 12pM Fe 25.971030000000003 6.73286 45.2092 58pM Fe 19.80695 10.7236 28.8903 233pM Fe 26.5373 26.5373 26.5373 1160pM Fe 14.752333095238095 12.496223333333333 17.008442857142857 Dark 15.83258 15.25416 16.411 Light 7.887981923076923 7.887981923076923 7.887981923076923 Phloroglucinol 11.7209 11.7209 11.7209