GFAA Calibration Back Catalog number: 52314 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 94129 Pesticide Standard Price on request CL-PFHXPA 6-Chloroperfluorohexylphosphonic acid, 1.2ml x 50ug/ml, methanol Price on request 10855.17-10MG Nifedipine Price on request