Nitrate & Nitrite as N Back Catalog number: 54162 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2048.7-10K-ME alpha alpha alpha-Trifluorotoluene, Calibration (Surrogate) Standard, 10000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 98-08-8 Price on request 8750.12-5MG 4,4'-Dibromodiphenyl ether, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 2050-47-7 Price on request 94591 PAH Standard Price on request