Barium (Ba) Back Catalog number: 57256 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 33260 Dichloroacetic acid Price on request MET-13104AM1-1ML Propachlor ESA sodium salt, 100µg/ml in MeOH, 1ml Price on request 79149 4,4’-DDE Price on request