School of Engineering and Science - Jacobs University

List of Figures
Figure 1. Sample decomposition methods………………………………………………….......3
Figure 2. Preparation of multi-element standards…………..………………………………... 10
Figure 3. Solutions used and analysis order for ICPMS measurements……............................12
Figure 4. ICPMS instrument quantification limits……………...……………………………. 17
Figure 5. Characterization of measures of analytical precision……………………………… 19
Figure 6. Average sample precision for different reference materials……...….…….............. 20
Figure 7. Average run precision for different reference materials…..………………….......... 21
Figure 8. Comparison of different measures of precision…………………............................. 22
Figure 9. Sample and method precision for HNO 3 carbonate decomposition……………….. 24
Figure 10. Analytical recovery for HNO 3 carbonate and HF-HClO 4 decompositions….......... 26
Figure 11. Mg and Ca interferences on 59 Co………………………….…………………….... 30
Figure 12. Analytical results for iron-formation FeR-2…………………………………….... 34
Figure 13. Analytical results for iron-formation FeR-4……………………………….……... 35
Figure 14. REY data for second lot of iron-formation IF-G………………………………..... 37
Figure 15. Analytical results for iron-formation IF-G………………………...……………....38
Figure 16. Analytical results for shale SCo-1………………………………………………... 40
Figure 17. Analytical results for shale SGR-1b……………………………….………............41
Figure 18. Analytical results for chert JCh-1…………………………………….…………... 43
Figure 19. Analytical results for dolomite JDo-1…….………………………………….........45
Figure 20. Comparison of JDo-1 HNO 3 carbonate and HF-HClO 4 decompositions………….46
Figure 21. Analytical results for Fe-Mn nodule JMn-1……………………………….............49
Figure 22. Analytical results for basalt BHVO-2……………………………………..……....50
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