PSA-GCB-Mix 16 Back Catalog number: 674999 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 1773.12-100-AN 4,4'-Diaminobiphenyl,100 µg/mL,acetonitrile,1mL, Price on request 57156 Barium (Ba) Price on request 71492 1,3-Butadiene Price on request