Aqueous Ethanol Standard (3,0g/l), 10 x 1,2ml Back Catalog number: ME 20300 Availability: In the manufacturer's stock Price on request - + Recommended DF-IS-F40 Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane Price on request 2491.20-K-IO Di-n-octyldiethyltin, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 14775-13-4 Price on request 30115 EPA Method 551.1 Performance Check Sol’n Price on request