condition mean min max 12pM Fe 72.0377 44.113299999999995 99.9621 58pM Fe 52.923542857142856 31.759785714285716 74.0873 233pM Fe 36.1717 36.1717 36.1717 1160pM Fe 76.45064107142858 72.61725714285714 80.284025 Dark 80.34504 36.0966 124.59348 Light 76.24543769230769 76.24543769230769 76.24543769230769 Phloroglucinol 124.214 124.214 124.214