Metals Mix #2 Back Catalog number: 59829 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50110G TOC Calibration Standard Price on request 18000-0568-100AN5 Guanylurea, 100µg/ml in Acetonitrile, 5ml Price on request 682841 Putrescine dihydrochloride, 1000mg Price on request