condition mean min max 12pM Fe 19.920724999999997 14.2103 25.631149999999998 58pM Fe 16.192194285714287 2.25686 30.12752857142857 233pM Fe 24.3763 24.3763 24.3763 1160pM Fe 9.97272375 6.53212 13.4133275 Dark 6.746694066666667 5.32874 8.164648133333333 Light 2.3944785384615384 2.3944785384615384 2.3944785384615384 Phloroglucinol 1.778044 1.778044 1.778044