Saccharin-d4, 10µg/ml in Acetonitrile, 5ml

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)

Pesticides - Mix 18, 10 µg/ml in Cyclohexan, 10ml

Diphenyl-p-tolyl phosphate-d7 (p-tolyl-d7),100 µg/mL,isooctane,1mL,