Method 1640Mix A Back Catalog number: 52146 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4415-20-25PE ISO 9377-2MOD Extraction Solvent Stock Solution I 20ul of n-Heptane and 20mg of n-Tetracontane solved in 1000ml n-Pentane Price on request 688495 Terbuthylazine-2-hydroxy, 100µg/ml in Acetone, 1ml Price on request 689107 D6-Flufenacet ESA sodium salt, 100 µg/ml in Acetonitrile, 1ml Price on request