Multi-Element Internal Standard Back Catalog number: 50160 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11711.12-100-IO 2,2',3,4,4'-Pentachlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request 73472 2-{[2-(Dimethylamino)ethyl]methylamino}ethanol Price on request 71033 2-(2-Butoxyethoxy) ethylacetate Price on request