Propamocarb N-oxide, 100 µg/ml, Acetonitrile, 1m

High Boiling Sulfur in White Oil for Diesel Fuel Analysis 2 50 ppm S in sulfur-free White Oil (20 cst); units: 1x5mL vials Benzo[b]naphtho[2,1-d]thiophene (0485,16) + Benzo[b]naphtho[2,3-d]thiophene (0484,16) (1:1)

Mass-Labelled PCB Solution, 1.2ml x 1000ng/ml, nonane

4-n-Octylphenol, certified, 0.25g