COD Calibration Standard Back Catalog number: 50451 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679828 D9-Trimethoprim, 10mg Price on request DF-1248-S 1,2,4,8-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request 2195.11-K-ME 1-Methyl-4-nitronaphthalene, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 880-93-9 Price on request