Propetamphos, 100 µg/ml, Acetonitrile, 1ml

Native Perfluoroether-Carboxylic Acids and -Sulfonate Mix, 2µg/ml in MeOH, 1,2ml

Tolclofos-methyl, 100 µg/ml, Toluene, 1ml

1H,1H,2H,2H-Perfluorooctanesulfonic acid; 6:2FTS, 97%, 5g