Ketoprofen, 100 µg/ml, Methanol, 1ml Back Catalog number: 681070 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 70441 N-Nitrosodiethylamine Price on request 685011 D3-(-)-Altenuene, 100 µg/ml, Acetonitrile, 1ml Price on request 30076 EPA Method 515.2 - Analytes Price on request