Calibration Standard Kit Back Catalog number: 53089 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676411 Milbemectin A4, 100 µg/ml, Acetonitrile, 1ml Price on request 674983 4,4'-DDE, 100mg Price on request 672885 Tebuconazole, 250mg Price on request