condition mean min max 12pM Fe 34.65835 22.4266 46.8901 58pM Fe 11.10723642857143 9.36362 12.850852857142858 233pM Fe 6.803516666666667 6.803516666666667 6.803516666666667 1160pM Fe 104.75920636904762 21.35262857142857 188.16578416666667 Dark 21.982806000000004 4.74363 39.221982000000004 Light 97.67731592307692 97.67731592307692 97.67731592307692 Phloroglucinol 278.79589999999996 278.79589999999996 278.79589999999996