Matrix Spiking Solution, 1.2ml, nonane Back Catalog number: EPA-8290MSS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 683768 D7-Prometryn, 10mg Price on request 13887.8-K-AN Clavulanic acid potassium salt, 1000µg/ml in Acetonitrile, 1ml Price on request 3546.11-10MG 2-Methyl-1,4-naphthoquinone, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 58-27-5 Price on request