Multi-Element Calibration Standard-4 Back Catalog number: 50013 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1345.11-K-IO 2-Methylnaphthalene-d10, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 7297-45-2 Price on request EPA-23SS Surrogate Standard Solution, 1.2ml, nonane Price on request 677058 Diisopentyl Phthalate, 10mg Price on request