PCB Isomers Mix A Back Catalog number: 94274 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678459 Pirimiphos-ethyl, 100 µg/ml, Acetonitrile, 5ml Price on request 673735 Atrazine, 100 µg/ml, Ethyl acetate, 5ml Price on request C11322510 Chloridazon-methyl-desphenyl D3, 10mg Price on request