condition mean min max 12pM Fe 14.083874999999999 10.0858 18.08195 58pM Fe 16.651614285714288 15.4832 17.820028571428573 233pM Fe 32.6088 32.6088 32.6088 1160pM Fe 23.765550357142857 0.9933757142857143 46.537725 Dark 37.02887 17.3763 56.68144 Light 45.433995076923075 45.433995076923075 45.433995076923075 Phloroglucinol 13.274723333333334 13.274723333333334 13.274723333333334