Precision and Recovery Stock Solution, 1.2ml, nonane Back Catalog number: EPA-1613PAR Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 680186 2,4,6-Trinitrotoluene, 100 µg/ml, Acetonitrile, Price on request PFODA Perfluoro-n-octadecanoic acid, 50µg/ml in MeOH, 1,2ml Price on request 2234.17-050-5AN Aflatoxin B2, 0.5 µg/ml, Solvent-acetonitrile, Unit 5mL, # of units-1, Cas.no. 7220-81-7 Price on request