Journal: International journal of mass spectrometry
Article Title: Refinement of high precision Ru isotope analysis using negative thermal ionization mass spectrometry
doi: 10.1016/j.ijms.2016.02.003
Figure Lengend Snippet: Ion exchange chromatography procedure for Ru isolation and purification.
Article Snippet: Subsequently, for those samples requiring column chromatography, better Ru yields were achieved by proceeding directly from the 1° column chemistry to a microdistillation. table ft1 table-wrap mode="anchored" t5 caption a7 Acid Volume (ml) Step 1° cation column: 2–4 Biorad columns filled with 10 ml of pre-cleaned AG50WX8 (200–400 mesh) Milli-Q water 20 Resin cleaning 6M HCl 10 + 10 + 10 + 10 Resin cleaning Milli-Q water 20 Resin cleaning 0.15 M HCl 10 Backwash 0.15 M HCl 10 Equilibration 0.15 M HCl 2.5 Load 0.15 M HCl 1 + 1 +1 + 5 Rinse HSE 6 M HCl 1 + 1 + 1 + 27 Rinse matrix 6 M HCl 10 + 10 + 10 + 10 + 10 + 10 Resin cleaning Milli-Q water 20 Resin cleaning 2° anion column: 1 Biorad column filled with 3.8 ml of pre-cleaned AG1X8 (200–400 mesh) Milli-Q water 10 Resin cleaning Concentrated HNO3 10 + 10 Resin cleaning Milli-Q water 5 Resin cleaning Concentrated HCl 10 Resin cleaning Milli-Q water 5 Resin cleaning 1 M HCl 3 Backwash 1 M HCl 4 Equilibration 1 M HCl 1 Load 0.5 M HCl 2 Matrix, Mo 0.8 M HNO3 0.5 Matrix, Mo 0.8 M HNO3 5 Zn, Cd, Mo 8 M HNO3 10 Ru, Re Concentrated HNO3 4 Ru, Re Concentrated HNO3 10 Pt, Ir 11 M HCl 2 Pt, Ir, Ag 11 M HCl 8 Pd Concentrated HNO3 5 Pd Open in a separate window Ion exchange chromatography procedure for Ru isolation and purification.
Techniques: Ion Exchange Chromatography, Isolation, Purification