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Abstrakty
A simple, effective method is described, which permits accurate quantitative analysis of thin samples applying the X-ray fluorescence technique. The presented computer program (DECON) uses a weighted linear fitting of the set of computer generated reference spectra. The background function is included in the fitting process and approximated as a ninth-order polynomial. The precise calibration procedure, based on the fitting of high, ealisy used in several applications of the analysis of biomedical and environmental samples.
Wydawca
Czasopismo
Rocznik
Tom
Strony
3--17
Opis fizyczny
Bibliogr. 14 poz., rys., tab., wykr.
Twórcy
autor
- Institute of Radioelectronics, Warsaw University of Technology, Warsaw, Poland, zaremba@ire.pw.edu.pl
Bibliografia
- [1] Dziunikowski B.: Energy Dispersive X-Ray Fluorescence Analysis, PWN, Warszawa and Elsevier, Amsterdam 1989.
- [2] Hammed M.A., Gray P.W., Naboulsi A.H., Mac Mahon T.D.: Analytical peak fitting for gamma-ray spectrum analysis with Ge detectors. Nucl. Instr. Meth. 1993, A 334, 543-550.
- [3] Hillman M.: Computer analysis of gamma and X-ray spectra. Nucl. Instr. Meth. 1976,135, 363-368.
- [4] Kaisla K., Raunemaa X, Paatero P.: The computer programme “LIFT’ for X-ray fluorescence analysis. Nucl. Instr. Meth. 1981, 181, 77-79.
- [5] Koskelo M.J., Aarnoi P.A., Routti J.T.: SAMPO80: Minicomputer program for gamma spectrum analysis with nuclide identification. Comp. Phys. Comm. 1981,24, 11-35.
- [6] Los Arcos J.M.: Gamma-ray spectra deconvolution by maximum-entropy methods. Nucl. Instr. Meth. 1996, A 369, 634-636.
- [7] Mariscotti M.A.: A method for automatic identification of peaks in the presence of background and its application to spectrum analysis. Nucl. Instr. Meth. 1967, 50, 309-320.
- [8] Morales L, Navarro J., Pló M„ Villar J.A.: SANDRA, a precise and fast FORTRAN program for gamma-ray spectrum analysis using a small computer. Nucl. Instr. Meth. 1981, 184, 509-513.
- [9] Petersen W., Ketelsen P., Knochel A.: XSPEK — a new program for the evaluation of energy dispersive X-ray fluorescence spectra. Nucl. Instr. Meth. 1986, A245, 535-541.
- [10] Welch R.Z, Gyger F., Jost D.J., von Gunten H.R., Krahenbuhl U.: NEWFIT, a computer program for the analysis of alpha, X-ray and gamma-ray spectra. Nucl. Instr. Meth. 1988, A 269, 615-622.
- [11] Zlokazov V.B.: ACTIV — a program for automatic processing of gamma-ray spectra. Comp. Phys. Comm. 1982, 28, 27-40.
- [12] Debertin K. and Helmer R.G.: Gamma- and X-Ray Spectrometry with Semiconductor Detectors, Elsevier Science Publishers B.V., Amsterdam 1988.
- [13] Zimmermann W.: Evaluation of Photopeaks in Scintillation Gamma-Ray Spectroscopy, Rev.Sci. Instr. 1961,32, No.9, 1063-1065.
- [14] Golub G.H., Van Loan C.F.: Matrix Computation, Nord Oxford Academic Press/Johns Hopkins University Press, Baltimore 1983.
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Bibliografia
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bwmeta1.element.baztech-article-BPZ1-0003-0059