8260B Purgeable Internal Standard Back Catalog number: 93886 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 674031 1-Methyl-1H-benzotriazole, 100mg Price on request 79047 beta-BHC Price on request 2042.8-50-ME n-Perfluorooctanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 335-67-1 Price on request