Mass-Labelled PCB Syringe Spike Solution, 1.2ml, nonane Back Catalog number: PCB-IS-C20 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 680899 Flazasulfuron, 100 µg/ml, Ethyl acetate, 1ml Price on request 10437.2-K-ME O,O-Dimethylthiophosphate, sodium salt, 1000µg/ml in MeOH, 1ml Price on request D-N-ETFOSA-M N-ethyl-d5-perfluoro-1-octanesulfonamide , 1.2ml x 50ug/ml, methanol Price on request