Method 1005 Window Standard Back Catalog number: 95716 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 98637 Acetonitrile Price on request 2810.4-50-ME Perfluorobutyric acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 375-22-4 Price on request 70367 3,3’-Dimethylbenzidine Price on request