o-Dianisidine, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 679887 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 80602 EPA Method 8060 QC Check Solution Price on request 26013 EPA Method 8260B Purgeable Internal Standard Price on request 676838 Metronidazole-hydroxy, 10mg Price on request