WS Trace Elements #2 Back Catalog number: 55013 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 4PMBDE101 2,2',4,5,5'-Pentabromo-4'-methoxydiphenyl ether, 1.2ml x 50ug/ml, nonane Price on request 676866 D4-Dithianon, 100 µg/ml, Acetonitrile, 1ml Price on request 72249 L-Serine Price on request