Perfluoro-n-[13C8]octanoic acid, 50µg/ml in MeOH, 1,2ml Back Catalog number: M8PFOA Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 1843.13-100MG 4-n-Hexylbenzoic acid, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 21643-490-6 Price on request 50801 Spiking Solution #2 Price on request 679859 Hexamethylphosphoric Triamide, 100 µg/ml, Methano Price on request