ICP-MS Internal Standard Back Catalog number: 50246 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1145.25-K-IO n-Pentacosane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 629-99-2 Price on request 8222.11-100-CY Carbophenothion Price on request 3123.16-K-IO Diisobutyl phthalate-3,4,5,6-d4,1000 µg/mL,isooctane,1mL, Price on request