仪器基本配置:
1- 此仪器的Cu靶配有Ka1单色器,能除掉Ka2波长的X射线,很好地提高测试的分辨率;可提供透射与反射模式两种模式;
2- Ag靶则采用聚焦透射来实现对无定型材料样品的Pair Distribution Function (PDF)检测,反映局域结构(如无序结构);
3- 旋转毛细管台适合样品量特别少、有取向样品(通过毛细管旋转消除取向)且低吸收系数样品。
应用范围:
科研支撑
常规大量有机样品物相定性分析
有机样品的定量分析
有机化合物结晶度、晶胞参数、晶型分析、晶粒尺寸、结构精修
对分布函数(PDF)测试分析短程原子信息、短程有序结构
产业支撑
有机物污染物检测
Basic information:
Equipped with Cu/Ag sources, two-dimensional Eiger detector and offering transmission and reflection modes;
1-Cu source with Kα1 monochromator (eliminating Kα2 and Kβ) for high-resolution PXRD application;
2-Additional Ag source for Pair Distribution Function (PDF) application;
Research support:
oQualitative and quantitative phase analysis for organic compounds with Bragg-Brentano focusing geometry
oCrystallinity, crystal unit cell, grain size analysis and structure refinement
oStructure study of small biomolecules
oPDF analysis for local structure (up to few nanometers)
Industrial support:
oAnalysis of Organic pollutes