PAH Standard Back Catalog number: 93961 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended MDF-1234 1,2,3,4-Tetrachloro[13C12]dibenzofuran (97.5%), 1.2ml x 48.75ug/ml, toluene Price on request 71916 1,1-Difluoroethane, 1000µg/ml in MeOH, 1ml Price on request 675344 Di-n-propyltin dichloride, 25mg Price on request