VPH Primary Calibration Spike Rev 1.1 Back Catalog number: 51166 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 92467 Internal Standard Price on request 66169 3,3',4,4',5,5'-Hexachlorobiphenyl (169) Price on request 677358 Acenaphthylene, 10.0 µg/ml, Cyclohexane, 10ml Price on request