Multi-Element Internal Standard Back Catalog number: 50160 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1782.10-10MG 1,8-Diaminonaphthalene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 479-27-6 Price on request 71907 1,1-Difluoroethylene, 1000µg/ml in MeOH, 1ml Price on request 81401 Azinphos methyl Price on request