Gas Exploration Standard Back Catalog number: 98538 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8923.16-100MG Perfluorokerosene (bp. 70-200) for Mass spectrometry, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. Price on request 52019 Verification II Standard 1 Price on request 1540.12-K-TX10 4-Aminobiphenyl-d9, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 344298-96-0 Price on request