p-Xylene, certified, 1ml Back Catalog number: C17945200 Availability: In the manufacturer's stock Price on request - + Recommended S-4141-25-IO Nitrogen Calibration Set-High Boiling Solvents Units: 1x1mL ampoules or 10mL screw-capped bottle Nitrogen introduced using Carbazole Catalogue No. Concentration Matrix: isooctane mg/kg (ppm) S-4141-0 Blank S-4141-03 Price on request 2241.25-10MG T-2 Toxin, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 21259-20-1 Price on request 2647.12-5MG 2,3,3',4,4',5,5',6-Octabromodiphenyl ether, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 446255-56-7 Price on request