EPA 16 PAH Cocktail (13C,99%), 5µg/ml Nonane,1,2ml Back Catalog number: ES-4087 Availability: In the manufacturer's stock Price on request - + Recommended 43026 GC/MS Calibration Standard Price on request 1294.17-200-T 7-Methylbenzo[b]naphtho[2,3-d]thiophene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 24964-09-8 Price on request MFOUEA 2H-Perfluoro-[1,2-13C2]-2-decenoic acid (8:2), 50µg/ml in Isopropanol, 1,2ml Price on request