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 53040 Interference Standard Mix 2 Price on request 72423 Levulinic acid Price on request NG-S31-1G Sodium laurate, 1g Price on request