Omethoate, 10.0 µg/ml, Acetonitrile, 10ml Back Catalog number: 673398 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 675340 Metrafenone, 100 µg/ml, Acetonitrile, 5ml Price on request 30121 EPA Method 515.1 - Performance Check Solution Price on request 691958 Trifluoroacetic acid sodium salt, 100mg Price on request