Spiking Standard 3 Back Catalog number: 56200 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673330 Iprovalicarb, 10.0 µg/ml, Acetonitrile, 10ml Price on request 73216 Hydrocodone Price on request 678490 Propaquizafop, 100 µg/ml, Acetonitrile, 5ml Price on request