Diflufenican, 100 µg/ml, Acetonitrile, 5ml

Sodium bis(1H,1H,2H,2H-[1,2-13C2]perfluorodecyl)phosphate, 50µg/ml in MeOH, 1,2ml

Sulfur in Residual Oil, 10000ppm, 100g

Sulfur in Heavy Weight Mineral Oil - 0.10 Wt%