Retention Time Marker Solution Iowa OA-2 Back Catalog number: 51183 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended MDD-2 2-Chloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene Price on request 57037 Rubidium (Rb) Price on request 54140 Total Iron (Fe(II) and Fe(III)) Price on request