WS Trace Elements #1 Back Catalog number: 55012 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71003 2,3-Dimethylbutane Price on request 3092.12-50-IO 2,2'-Dibromobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 13029-09-9 Price on request T4CPME Tris(4-chlorophenyl)methanol, 1.2ml x 50ug/ml, nonane Price on request