D3-Ketoprofen, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 684531 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 94867 1664 Oil & Grease Calibration Level #5 Price on request 55080 WS-SDWA Conductance @ 20°C Price on request 92295 Ethylene glycol Price on request