Imidacloprid, 100 µg/ml, Acetonitrile, 5ml

Sulfur Standard: S @ 10 µg/g (0.0010 wt%) in #2 Diesel Fuel, 100ml

Tri-n-pentyltin chloride, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 3342-67-4

4-Hydroxyantipyrine, 100mg