Methodology toward 3D Micro X-ray Fluorescence Imaging Using an Energy Dispersive Charge-Coupled Device Detector

被引：18

作者：

Garrevoet, Jan ^{[1
]}

Vekemans, Bart ^{[1
]}

Tack, Pieter ^{[1
]}

De Samber, Bjoem ^{[1
]}

Schmitz, Sylvia ^{[2
]}

Brenker, Frank E. ^{[2
]}

Falkenberg, Gerald ^{[3
]}

Vincze, Laszlo ^{[1
]}

机构：

[1] Univ Ghent, Dept Analyt Chem, Xray Microspectroscopy & Imaging Res Grp XMI, B-9000 Ghent, Belgium

[2] Goethe Univ Frankfurt, Geosci Inst Mineral, D-60323 Frankfurt, Germany

[3] Deutsch Elektronen Synchrotron DESY, D-22607 Hamburg, Germany

来源：

ANALYTICAL CHEMISTRY | 2014年 / 86卷 / 23期

关键词：

MATO-GROSSO; DIAMONDS; INCLUSIONS; PHASE; JUINA;

D O I：

10.1021/ac503410s

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A new three-dimensional (3D) micro X-ray fluorescence (mu XRF) methodology based on a novel 2D energy dispersive CCD detector has been developed and evaluated at the P06 beamline of the Petra-III storage ring (DESY) in Hamburg, Germany. This method is based on the illumination of the investigated sample cross-section by a horizontally focused beam (vertical sheet beam) while fluorescent X-rays are detected perpendicularly to the sheet beam by a 2D energy dispersive (ED) CCD detector allowing the collection of 2D cross-sectional elemental images of a certain depth within the sample, limited only by signal self-absorption effects. 3D elemental information is obtained by a linear scan of the sample in the horizontal direction across the vertically oriented sheet beam and combining the detected cross-sectional images into a 3D elemental distribution data set. Results of the 3D mu XRF analysis of mineral inclusions in natural deep Earth diamonds are presented to illustrate this new methodology.

引用

页码：11826 / 11832

页数：7

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