Verification II Standard 2 Back Catalog number: 52020 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677989 Pirimiphos-methyl, 100 µg/ml, Toluene, 1ml Price on request 95778 2,4-Dichlorophenol-d3 Price on request 678218 Isoproturon-desmethyl, 100 µg/ml, Acetonitrile, 1ml Price on request