condition mean min max 12pM Fe 30.8078 24.2315 37.3841 58pM Fe 21.20952857142857 13.562757142857143 28.8563 233pM Fe 6.12203 6.12203 6.12203 1160pM Fe 10.268346011904761 8.543539166666667 11.993152857142857 Dark 9.720628566666667 9.101157133333334 10.3401 Light 9.109952307692307 9.109952307692307 9.109952307692307 Phloroglucinol 3.36259 3.36259 3.36259