Aqueous Ethanol Standard (0.3g/l), 10 x 1,2ml Back Catalog number: ME 20030 Availability: In the manufacturer's stock Price on request - + Recommended L-PFTRDS Sodium perfluoro-1-tridecanesulfonate, 50µg/ml MeOH Price on request 11433.20-100-IO Di-m-tolylphenyl phosphate,100 µg/mL,isooctane,1mL, Price on request 3358.27-50-IO C27 Triaromatic ster-14(15)-ene, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request