WS Amp 2 Trace Elements Back Catalog number: 52128 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673933 Fipronil, 100 µg/ml, Acetonitrile, 5ml Price on request 0216.26-10UG Dibenzo[g,p]chrysene, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 191-68-4 Price on request 96776 p-Terphenyl Price on request