Barium (Ba) Back Catalog number: 58156 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 53041 Interference Standard 4 Price on request 10207.11-K-ME n-Butyl 4-hydroxybenzoate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 94-26-8 Price on request 68C-PAR Native Toxics/LOC Stock Solution, 1.2ml, nonane Price on request