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Quantitative electron probe microanalysis of oxygen in compounds with pentavalent vanadium: an ultrastrong absorption phenomenon
Author(s) -
Korolyuk V. N.,
Lavrent'ev Yu. G.,
Reznitskii L. Z.
Publication year - 2000
Publication title -
x‐ray spectrometry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.447
H-Index - 45
eISSN - 1097-4539
pISSN - 0049-8246
DOI - 10.1002/1097-4539(200011/12)29:6<434::aid-xrs449>3.0.co;2-n
Subject(s) - vanadium , microanalysis , electron probe microanalysis , chemistry , oxygen , absorption (acoustics) , analytical chemistry (journal) , absorption spectroscopy , inorganic chemistry , electron microprobe , mineralogy , optics , physics , environmental chemistry , organic chemistry
Electron probe microanalysis of oxygen in vanadium compounds gives values which are substantially smaller then the actual oxygen content. By measuring the intensity of the O Kα line in V 2 O 5 the absorption coefficient of V was found to be 51 000 cm 2 g −1 , which is much higher than the corresponding values from commonly accepted sources. To explain this phenomenon, we suggest selective absorption of the O Kα line by the strong white line of the absorption spectrum of pentavalent vanadium. Copyright © 2000 John Wiley & Sons, Ltd.