condition mean min max 12pM Fe 43.64075 37.7241 49.5574 58pM Fe 27.73675 26.4849 28.9886 233pM Fe 26.424100000000003 26.424100000000003 26.424100000000003 1160pM Fe 36.119908928571434 18.064675 54.17514285714286 Dark 31.202387 29.677 32.727774000000004 Light 49.97037 49.97037 49.97037 Phloroglucinol 23.3302 23.3302 23.3302