condition mean min max 12pM Fe 0.4671575 0.365981 0.568334 58pM Fe 0.6243674285714286 0.6010608571428572 0.647674 233pM Fe 0.5311170000000001 0.5311170000000001 0.5311170000000001 1160pM Fe 0.27956440476190475 0.15850014285714287 0.40062866666666663 Dark 0.8555865666666667 0.0 1.7111731333333333 Light 0.5395023846153846 0.5395023846153846 0.5395023846153846 Phloroglucinol 1.9187999999999998 1.9187999999999998 1.9187999999999998