单词 | x-ray fluorescence analysis |
释义 | x-ray fluorescence analysis [`eks´rā flu̇`res·ǝns ǝ´nal·ǝ·sǝs] ANALYTICAL CHEMISTRY A nondestructive physical method used for chemical analyses of solids and liquids; the specimen is irradiated by an intense x-ray beam and the lines in the spectrum of the resulting x-ray fluorescence are diffracted at various angles by a crystal with known lattice spacing; the elements in the specimen are identified by the wavelengths of their spectral lines, and their concentrations are determined by the intensities of these lines. Also known as x-ray fluorimetry. |
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