WS Trace Elements #2 Back Catalog number: 55013 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended M4H187 2,2',3,4',5,5',6-Heptachloro-4-[13C12]biphenylol, 1.2ml x 50ug/ml, toluene Price on request 79057 Acetophenone Price on request 674060 D5-Chloridazon, 100 µg/ml, Acetonitrile, 1ml Price on request