EPA Method 200.8 Internal Standard Back Catalog number: 56332 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1633.11-100-ME Cimetidine carboxamide dihydrochloride (free base), 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 110592-19-3 Price on request PJ31S-1 Streptavidin-R-Phycoerythrin, 1mg 373,02 € 73478 2,6,?,?-Tetrachlorotoluene Price on request