WS Amp 2 Trace Elements Back Catalog number: 52128 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673758 Chlorbromuron, 10.0 µg/ml, Ethyl acetate, 10ml Price on request 70911 1,2-Dinitrobenzene, 1000µg/ml in MeOH, 1ml Price on request 678535 4-Chlorophenoxyacetic acid, 100 µg/ml, Acetonitri Price on request