Multi-Element Internal Standard Back Catalog number: 59502 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11787.10 1,2,3,4,5,6,7-Heptachloronaphthalene,,,, Price on request 1973.12-5MG 2,2',3,4,4',5',6-Heptabromodiphenyl ether, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 207122-16-5 Price on request 50245 Fe-Al ICP Mix Price on request