Spike Sample Standard 2A (Water) Back Catalog number: 53029 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended M338785 Metoprolol Acid, 10mg Price on request 2604.18-10UG 1,2,3,4-Tetrahydrochrysene, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 2091-90-9 Price on request 3884.6-100MG Nitrofurazone, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 59-87-0 Price on request