Atrazine, 100 µg/ml, Acetonitrile, 5ml Back Catalog number: 673203 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 673207 Azinphos-methyl, 100 µg/ml, Acetonitrile, 5ml Price on request 70453 n-Butyl Alcohol Price on request 678098 Nitralin, 100 µg/ml, Acetonitrile, 1ml Price on request