condition mean min max 12pM Fe 13.8190025 11.182705 16.4553 58pM Fe 10.05445 9.2926 10.8163 233pM Fe 9.39938 9.39938 9.39938 1160pM Fe 9.45801375 8.891517499999999 10.02451 Dark 5.435124999999999 2.29193 8.57832 Light 8.206346153846154 8.206346153846154 8.206346153846154 Phloroglucinol 17.826266666666665 17.826266666666665 17.826266666666665