Cation Mix #1 Back Catalog number: 50330 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 54140 Total Iron (Fe(II) and Fe(III)) Price on request 2273.6-2K-ME Chlorobenzene, 2000µg/mL, Solvent-Methanol, Unit 1mL, # of units-1, Cas.no. 108-90-7 Price on request 44P-DDE 1,1-Dichloro-2,2-bis(4-chlorophenyl)ethene, 1.2mL x 100ug/mL, nonane Price on request