Barium (Ba) Back Catalog number: 56056 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71746 Ethyl 4-hydroxybenzoate Price on request 11731.12-100-IO 3,3',4,5,5'-Pentachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request 54500 Anions Single Component Kit Price on request