Matrix Spiking Solution, 1.2ml, nonane Back Catalog number: EPA-8280MSS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 54173 Total Iron (Fe II and Fe III) Price on request 90600 Diquat Price on request 2727.6-100-IO Hexachlorobenzene-13C6, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 93952-14-8 Price on request