ICP-MS Calibration Standard Back Catalog number: 50828 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended PN-59S 1,2,4,5,8-Pentachloronaphthalene, 1.2mL x 50ug/mL, nonane Price on request 59259 Copper (Cu) Price on request HPCHLOR-XEP Heptachlor-exo-epoxide (isomer B), 1.2mL x 100ug/mL, nonane Price on request