School of Engineering and Science - Jacobs University

Table of Contents
List of Figures .......................................................................................................................... iv
List of Tables............................................................................................................................. v
1. Introduction .......................................................................................................................... 1
2. Sample preparation............................................................................................................... 2
3. Sample decomposition ......................................................................................................... 2
4. ICPMS methods ................................................................................................................... 5
4.1. Analyzed elements and mass interferences .................................................................. 5
4.2. External calibration ...................................................................................................... 9
4.3. Data collection............................................................................................................ 13
4.4. Internal standardization .............................................................................................. 14
5. Analytical precision............................................................................................................ 16
6. Analytical recovery ............................................................................................................ 24
7. Analytical accuracy ............................................................................................................ 27
7.1. Reference values and major element interferences .................................................... 27
7.2. High Fe content rocks................................................................................................. 33
7.3. Shales and clastic sediments....................................................................................... 39
7.4. High Si content rocks (cherts) .................................................................................... 42
7.5. Carbonate rocks.......................................................................................................... 44
7.6. Marine ferromanganese nodules and crusts................................................................ 47
7.7. Basalts ........................................................................................................................ 49
7.8. Rare earth element ratios............................................................................................ 51
8. Summary and conclusions.................................................................................................. 53
References ............................................................................................................................... 56
Appendix 1. Analytical data .................................................................................................... 59
Appendix 2. Interferences due to major elements ................................................................... 64
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