Elemental analysis of hair using PIXE-tomography and INAA

被引：18
|
作者：
Beasley, D. [1 ]
Gomez-Morilla, I. [1 ]
Spyrou, N. [1 ]
机构：
[1] Univ Surrey, Sch Elect & Phys Sci, Ctr Nucl & Radiat Phys, Dept Phys, Guildford GU2 7XH, Surrey, England
来源：
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2008年 / 276卷 / 01期
关键词：
D O I：
10.1007/s10967-007-0416-6
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
3D quantitative elemental maps of a section of a strand of hair were produced using a combination of PIXE-Tomography and simultaneous On/Off Axis STIM-Tomography at the University of Surrey Ion Beam Centre. The distributions of S, K, Cl, Ca, Fe and Zn were determined using the PIXE-T reconstruction package DISRA. The results were compared with conventional bulk PIXE analysis of tomographic data as determined using Dan32. The overall concentrations determined by PIXE were compared with elemental concentrations held in the University of Surrey Hair Database. All the entries currently in the database were produced using INAA. The merits and possible contributions of tomographic ME analysis to analysis of hair are discussed. The conclusions drawn from the ME-Tomography analysis can be used to argue for more stringent procedures for hair analysis at the University of Surrey.
引用
收藏
页码：101 / 105
页数：5
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