THE VALIDATION OF A PIXE SYSTEM FOR TRACE-ELEMENT ANALYSIS OF BIOLOGICAL SAMPLES

被引：7
|
作者：
SAIED, SO
CRUMPTON, D
FRANCOIS, PE
机构：
来源：
NUCLEAR INSTRUMENTS & METHODS | 1981年 / 181卷 / 1-3期
关键词：
461 Bioengineering and Biology - 801 Chemistry;
D O I：
10.1016/0029-554X(81)90579-6
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
A PIXE system has been developed for measuring trace element levels in biological samples and a study made of the precision and accuracy achievable. The calibration of the system has been established using thin targets of known elemental composition and the reproducibility studied using protons of energy 2. 5 MeV. Both thick and thin samples prepared from NBS bovine liver have been analyzed and the elemental ratios present established for a set of replicate samples. These are compared with the results of other workers. Problems relating to sample preparation are discussed.
引用
收藏
页码：53 / 57
页数：5
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