condition mean min max 12pM Fe 88.739475 77.54075 99.9382 58pM Fe 102.44532142857143 37.48564285714286 167.405 233pM Fe 23.7759 23.7759 23.7759 1160pM Fe 32.216055952380955 20.101983333333333 44.330128571428574 Dark 16.93826766666667 16.5545 17.322035333333332 Light 11.927092307692307 11.927092307692307 11.927092307692307 Phloroglucinol 12.66596 12.66596 12.66596