condition mean min max 12pM Fe 18.398625000000003 13.053650000000001 23.7436 58pM Fe 18.985114285714285 13.070128571428572 24.9001 233pM Fe 46.16153333333333 46.16153333333333 46.16153333333333 1160pM Fe 17.348276964285716 6.766271428571429 27.9302825 Dark 47.069019999999995 18.5768 75.56124 Light 49.099607923076924 49.099607923076924 49.099607923076924 Phloroglucinol 22.20383 22.20383 22.20383