Element Mix #2 Back Catalog number: 59508 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677335 Heptadecafluorooctanesulfonic acid potassium salt, Price on request 35004 EPA Method 502.2/524.2 Volatile Standard Price on request 1534.20-K-T Perylene-d12, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 1520-96-3 Price on request