Multi-Elements Mix Back Catalog number: 50023 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11707.12-100-IO 3,3',5,5'-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request 70394 Benzonitrile Price on request 3632.20-50-AN T-2 Triol, 50µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 34114-98-2 Price on request