EPA Method 551Mix “A” Back Catalog number: 30194 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended M2555 Metoprolol Tartrate, >98%, 5g 1 680,00 Kč 2585.30-200-T Dibenzo[a,c]pentacene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 216-08-0 Price on request ACQ-SE20-030 Ethanol standard in serum,2.0g/L,serum, 3.0mL Price on request