Quantitative analysis of PbO-SiO2 glass by electron microprobe (Technical Report)
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منابع مشابه
Quantitative electron microprobe analysis of homogeneous bulk samples
where Q*i is the cross section per atom for ionization of the selected subshell of the i element, taking into account both direct ionization by the electrons of energy E and the effect of indirect ionizations at that subshell caused by the Coster-Kronig transitions. N, ρ, t and N are Avogadro's number, the density and thickness of a very thin tracer layer made of the i element and the number of...
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OBJECTIVES Several procedures have been advocated as regenerative procedures in periodontology, but one of the most widely used techniques up to now is guided tissue regeneration (GTR). Likewise, different assessment methods based on clinical, radiographic or histological measurements have been proposed for the evaluation of these regenerative procedures. However, none of the methods used for h...
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The electron microprobe provides a complete micrometer-scale quantitative chemical analysis of inorganic solids. The method is nondestructive and utilizes characteristic Xrays excited by an electron beam incident on a flat surface of the sample. This course provides an introduction to the theory of X-ray microanalysis through wavelength and energy dispersive spectrometry (WDS and EDS), ZAF matr...
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Plagioclase feldspar, clinopyroxene, and ilmenite in a polished thin section of a type A crystalline rock were analyzed. The clinopyroxene grains are compositionally variable, and both high Ca and low Ca phases are present. The plagioclase is compositionally homogeneous. The ilmenite is chemically homogeneous except for occasional, small areas of high local chromium concentration. Accessory min...
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Errors in quantitative electron microprobe analysis arise from many sources including those associated with sampling, specimen preparation, instrument operation, data collection, and analysis. The relative magnitudes of some of these factors are assessed for a sample of NiAl used to demonstrate important concerns in the analysis of even a relatively simple system measured under standard operati...
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ژورنال
عنوان ژورنال: Pure and Applied Chemistry
سال: 1996
ISSN: 1365-3075,0033-4545
DOI: 10.1351/pac199668081657