D4-Ketoprofen, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 676642 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 678397 beta-Endosulfan, 100 µg/ml, Acetonitrile, 5ml Price on request 22001 Hexadecane Extraction Volatiles - BTEX Price on request 53016 Calibration Standards Set Price on request