Mass-Labelled PFCAs and PFSAs Mix, 2µg/ml in MeOH, 1,2ml Back Catalog number: MPFAC-MXA Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 673785 Demeton-S-methyl-sulfoxide, 100 µg/ml, Ethyl acet Price on request 30115 EPA Method 551.1 Performance Check Sol’n Price on request 678498 Quinalphos, 100 µg/ml, Acetonitrile, 1ml Price on request