Calibration Standard Set Back Catalog number: 53042 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended L-PFUDS Sodium perfluoro-1-undecanesulfonate, 50µg/ml MeOH, 1,2ml Price on request 94926 BNA LCS Spike Solution Price on request 680861 Diclofenac sodium, 100 µg/ml, Methanol, 1ml Price on request