condition mean min max 12pM Fe 13.8711 12.789200000000001 14.953 58pM Fe 10.840157142857143 9.729614285714286 11.9507 233pM Fe 10.6567 10.6567 10.6567 1160pM Fe 12.440402083333332 11.08005 13.800754166666666 Dark 8.689511 8.36061 9.018412 Light 8.863801615384615 8.863801615384615 8.863801615384615 Phloroglucinol 11.75785 11.75785 11.75785