CLP Program - Acid Matrix Spike Solution Back Catalog number: 19173 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678090 Fenamidone, 100 µg/ml, Acetonitrile, 1ml Price on request 1239.7-1ML 2,3-Dimethylpentane, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 565-59-3 Price on request 680986 Naproxen, 100 µg/ml, Methanol, 1ml Price on request