Anion Standard

Perfluoro-n-[2,3,4-13C3]butanoic acid, 50µg/ml in MeOH, 1,2ml

Arochlor 1248 , 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 12672-29-6

Sulfur, 15µg/g (0.0015 wt%) in Diesel Fuel, 100ml