Barium (Ba) Back Catalog number: 58156 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71634 Fenbutatin-oxide Price on request ES-5353 Toxaphene Congeners (Parlar 26, 50 and 62), 2µg/ml in Nonane, 1,2ml Price on request 98864 Formaldehyde-DNPH Level 7 (20ug/mL) Price on request