Perfluoro-n-[1,2-13C2]hexanoic acid, 50µg/ml in MeOH, 1,2ml Back Catalog number: MPFHXA Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 71151 Caffeine, 1000µg/ml in MeOH, 1ml Price on request 80203 EPA Method 8020B Analytes Mix #1 Price on request 677304 Dimethachlor ESA sodium salt, 100µg/ml, Acetonitrile, 1ml Price on request