Copper (Cu) - 2 PPM Back Catalog number: 50591 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended RPC-084AS 2,4,4-Trichlorobiphenyl (BZ-28) 980,86 Kč 2771.9-100-AN Terbuthylazine, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 5915-41-3 Price on request MBB-MXA Mass-Labelled PBB Solution/Mixture, 1.2ml, nonane Price on request