ICP MS Tuning Solution #4 Back Catalog number: 52318 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended MPN-72 1,2,4,5,7,8-Hexachloro(13C10)naphthalene, 1.2mL x 50ug/mL, nonane Price on request 93324 PAH Mix #1 Price on request 682356 Fenoxasulfone, 100 µg/ml, Acetonitrile, 1ml Price on request