Perfluoro-n-tridecanoic acid, 1.2ml x 50ug/ml, methanol Back Catalog number: PFTRDA Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 50779 Ammonia as NH3 Price on request 80811 Tetrachloro-m-xylene Price on request 56082 Lead (Pb) Price on request