Mix 31, 10 µg/ml, Methanol, 10ml Back Catalog number: 675491 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 90872 Isofenphos Price on request 96899 EPA Method 8260 - Purgeable Internal Standard Price on request 2773.5-100-AN Atrazine-desisopropyl, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 1007-28-9 Price on request