I. INTRODUCTION Based on the proton induced X-ray emission (PIXE) technique, microbeam PIXE is a new technique of micro-analysis, its detection limit is 10~2 times lower than that of an electron microprobe. It is very...I. INTRODUCTION Based on the proton induced X-ray emission (PIXE) technique, microbeam PIXE is a new technique of micro-analysis, its detection limit is 10~2 times lower than that of an electron microprobe. It is very useful in trace element measurements of geological samples,展开更多
文摘I. INTRODUCTION Based on the proton induced X-ray emission (PIXE) technique, microbeam PIXE is a new technique of micro-analysis, its detection limit is 10~2 times lower than that of an electron microprobe. It is very useful in trace element measurements of geological samples,