Perfluoro-n-undecanoic acid, 1.2ml x 50ug/ml, methanol Back Catalog number: PFUDA Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended X9108 Famphur Price on request 72008 Potassium sorbate Price on request 55088 CWA UV 254 Absorbance/ DOC Price on request