Ruthenium (Ru) Back Catalog number: 57044 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4362 2,4-Dibromophenol, Internal Standard Stock Solution Cat No 2061.6 Price on request 30109 EPA Method 552.2 - Surrogate Standard Price on request 1463.16-2MG 1-Nitrofluoranthene, neat, Solvent-neat, Unit 2mg, # of units-1, Cas.no. 13177-28-1 Price on request