8260Matrix Spike Back Catalog number: 97031 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678090 Fenamidone, 100 µg/ml, Acetonitrile, 1ml Price on request 675504 Fenamiphos-sulfoxide, 10 µg/ml, Acetonitrile, 10 Price on request 94982 PCB Congener Mix #4 Price on request