Precise and accurate determination of 147 Sm/ 144 Nd and 143 Nd/ 144 Nd in monazite using laser ablation-MC-ICPMS
The 147Sm-143Nd radioactive decay system has been widely used in the Earth sciences as a geochronometer and isotopic tracer. Recent studies have shown that laser ablation-multiple collector-inductively coupled plasma mass spectrometry (LA-MC-ICPMS) is capable of precise and rapid 143Nd/144Nd measurements with high spatial resolution, but its ability to measure 147Sm/144Nd accurately is still poorly constrained. A critical analytical issue is the fractionation effects between 147Sm and 144Nd in...[Show more]
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