Barium (Ba) Back Catalog number: 57056 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677645 Sulfachloropyridazine, 100 µg/ml, Acetonitrile, Price on request EPA-PAH-LCS Deuterated PAH Solution/Mixture, 1.2ml, toluene Price on request EN-1948CSAV Calibration Kit; Alternate Volume, 6 x 200ul, nonane Price on request