4,4'-DDT, 100 µg/ml, Ethyl acetate, 5ml Back Catalog number: 673538 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 15900-1141D-100AN 2,4-D-d3, 100μg/ml in Acetonitrile, 1ml Price on request 54214 Ammonia as (NH4+) Price on request 1500.20-K-IO n-Tetradecylcyclohexane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1795-18-2 Price on request