Chlorpyrifos, 100 µg/ml, Acetonitrile, 5ml Back Catalog number: 675397 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 676958 Temephos, 100 µg/ml, Acetonitrile, 1ml Price on request 59020 ICP Interference Standard Mix 1 Price on request 11708.12-100-IO 2,2',3,3',4-Pentachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request