VPH Primary Calibration Spike Rev 1.1 Back Catalog number: 51166 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 59260 Copper (Cu) Price on request 3504.6-100 Tecnazene, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 117-18-0 Price on request 70660 Diquat, 1000µg/ml in Water, 1ml Price on request