Internal Std., 4000µg/ml Methylene Chloride, 1ml Back Catalog number: 10009 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 50591 Copper (Cu) - 2 PPM Price on request 3420.12-100-AN Hexazinone, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 51235-04-2 Price on request 8902.2-5ML Acetaldehyde, neat, Solvent-neat, Unit 5mL, # of units-1, Cas.no. 75-07-0 Price on request