Perfluoro-n-butanoic acid, 50µg/ml in MeOH, 1,2ml Back Catalog number: PFBA Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended PCB-LCS-A20 Mass-Labelled PCB Solution/Mixture , 1.2ml, nonane Price on request 10437.2-K-ME O,O-Dimethylthiophosphate, sodium salt, 1000µg/ml in MeOH, 1ml Price on request 3021.6-1ML trans-2-Hexene, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 4050-45-7 Price on request