Calibration Standard Mix 2 Back Catalog number: 53034 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676364 2-Methylimidazole, 100mg Price on request 31341 Diuron, 100μg/ml in MeOH, 1ml Price on request 679556 D5-Nalidixic acid, 10mg Price on request