Method 1613 Clean-up Standard, 8ng/ml in Nonane, 20ml Back Catalog number: EDF-6999-10X Availability: In the manufacturer's stock Price on request - + Recommended 8834.7-K-IO 2-Ethyl-5-methyl- and 2-ethyl-6-methylpyrazine, Isomer mixture, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. Price on request 675608 Flumetralin, 10 µg/ml, Ethyl acetate, 10ml Price on request 678149 Terbufos, 100 µg/ml, Acetonitrile, 1ml Price on request