ICP-MS Internal Standard Back Catalog number: 50443 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 32911 1-Methylnaphthalene Price on request 73317 Methyl 15-tetracosenoate (C24:1) Price on request 676765 Difenoxuron, 100 µg/ml, Acetonitrile, 1ml Price on request