ASTM D1319 Calibration Standard Back Catalog number: 51215 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 674646 Melamine, 250mg Price on request X9128 4,4’-Methoxychlor Price on request MPN-72 1,2,4,5,7,8-Hexachloro(13C10)naphthalene, 1.2mL x 50ug/mL, nonane Price on request