Petroleum Marker Standard Conc Back Catalog number: 95590 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79814 Tetramethrin, 1000µg/ml in Acetonitrile, 1ml Price on request 691069 13C6-2,4-D, 100µg/ml in Acetonitrile, 1ml Price on request 678352 Tefluthrin, 100 µg/ml, Ethyl acetate, 1ml Price on request