Barium (Ba) Back Catalog number: 58156 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11790.12-50-NN 2,4,4'-Trichlorobiphenyl ether,50 µg/mL,n-nonane,1mL, Price on request 72217 Nifedipine Price on request 79272 2,6-Diaminotoluene Price on request