EPA Method 531.1 - Analytes Mixture Back Catalog number: 33042R Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 73303 Glyoxylic acid Price on request PFAC-MXG Native Perfluoroether-Carboxylic Acids and -Sulfonate Mix, 2µg/ml in MeOH, 1,2ml Price on request MFOEA 2-Perfluorooctyl-[1,2-13C2]-ethanoic acid (8:2), 50µg/ml in Isopropanol, 1,2ml Price on request