The PIXE was used in analysis of the widely used blue and black ball-point pen inks for the first in forensic science.

• 摘要在国内首次应用质子激发X射线荧光法对常见的书写字迹进行刑事检验分析，确认PIXE技术可以作为文件检验当中字迹同一认定的有效方法。