8260Matrix Spike Back Catalog number: 97031 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended F436000 Fluindione, 25mg Price on request XA13480000AL Fenitrothion, 100µg/mL in Acetonitrile, 1ml Price on request 3996.9-K-CY Isobutylcyclopentane, 1000µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 3788-32-7 Price on request