Multi-Element Calibration Standard-2A Back Catalog number: 50012 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 690280 2,2'-Methylenedianiline, 25mg Price on request 91902 Acids Standard Price on request 676390 Kresoxim-methyl, 10.0 µg/ml, Acetonitrile, 10ml Price on request