CLP Pesticides & PCB's Resolution Check Mix Back Catalog number: 19161 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 97172 Semi-Volatile Standard Price on request 8831-K-IO Natural alkyl pyrazines, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. Price on request 52255 Group II Elements Starter Kit Price on request