同步辐射单色光全反射XRF实验  

TOTAL REFLECTION X-RAY FLUORESCENCE (TXRF)EXPERIMENT EXCITED BY MONOCHROMATIC SYNCHROTRON RADIATION (SR) AT BSRF

作　　者：潘巨祥[1] 吴应荣[1] 肖延安 巢志瑜[1] 洪蓉[1] 刘亚雯[1] 吴强[1] 

机构地区：[1]中国科学院高能物理研究所

出　　处：《光谱学与光谱分析》1996年第4期75-79,共5页Spectroscopy and Spectral Analysis

摘　　要：本文介绍了在ＢＳＲＦ利用同步辐射单色光进行的全反射Ｘ－射线荧光实验，在单色能量为１０．１ｋｅＶ（高于Ｚｎ元素的Ｋ吸收边９．６６ｋｅＶ）下，测试了水标准样、生物标样（猪肝、桃叶）及其他试样（如人尿样等），得到了比较好（ｎｇ／ｇ级）的检出限。The Total Reflection X-Ray Fluorescence experiment excited by monochromaticsynchrotron radiation is performed at the 4W1B beam line of BSRF. The energy of themonochromatic SR was 10. 1keV[just aboVe the K -edge energy of Zn (9. 66keV)].Severalstandard references including two kinds of waters, pig liver, peach leaves and several specimens (including two kinds of mineral water and human secretion) were tested. The minimumdetection limits (MDLs) of some elements are at the order of ng/g.For examples, the MDLsof Zn in the water standard reference GBW8608 and peach leaves standard reference are0. 68ng/g and 2. 27ng/g respectively.

关 键 词：同步辐射 全反射 X-射线荧光分析 痕量分析 

分 类 号：O657.34[理学—分析化学]