Multi-Element Check Standard Back Catalog number: 59001 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 82466 EPA Method 8260B Mix #4 Price on request E509000 Elvitegravir, 25mg Price on request 2809.11-100-IO 8-Methyl-2-naphthol, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 19393-87-4 Price on request