Journal
JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY
Volume 24, Issue 2, Pages 228-231Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/b808114j
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Funding
- National 863 program
- Fujian Province Department of Science Technology
- National Natural Science Foundation of China
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A method has been developed that allows the direct measurement of the elemental composition of geological samples based on a newly developed laser plasma time-of-flight mass spectrometer with a collisional cooling system. This technique has the merits of small sample consumption and rapid elemental analysis. Four geological reference materials were used in the experiment. The system has shown a satisfactory resolving power with few interferences in the spectra. The limits of detection were about 10(-6)-10(-7) g g(-1) for most of the metal elements. The relative sensitivity coefficients (RSCs) of the elements with mass heavier than 30 amu could be used for direct semi-quantitative analysis.
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