Perfluoro-n-tridecanoic acid, 1.2ml x 50ug/ml, methanol Back Catalog number: PFTRDA Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 1310.36-K-IOX5 n-Hexatriacontane-d74, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 16416-34-5 Price on request NAP6MHPS Sodium perfluoro-6-methylheptanesulfonate, 1.2ml x 50ug/ml, methanol Price on request ES-4087 EPA 16 PAH Cocktail (13C,99%), 5µg/ml Nonane,1,2ml Price on request