2-Butanone Back Catalog number: 79253 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3443.2-100 Methamidophos, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 10265-92-6 Price on request S-4132-ASS-5MX Olefin Mixture 5 Analytes, each Wt.% as listed in n-hexane/n-heptane = 1:1; units: 1x1mL, 5x1mL Use this standard to adjust the olefin and Ether-Alcohol-Aromatic (EAA) trap temperatures so that C5 through C9 olefins are quantitative determined. Name Price on request DD-123678-S 1,2,3,6,7,8-Hexachlorodibenzo-p-dioxin , 1.2ml x 50ug/ml, nonane Price on request