Custom Internal Standard Mix Back Catalog number: 96806 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 31057 EPA Method 552.1 - Surrogate Standard Price on request 52129 WP Amp 1 Trace Elements - Cal Check Price on request 2198.11-K-ME 2-Methyl-4-nitronaphthalene, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 13615-38-8 Price on request