Abstract
WHEN a specimen is bombarded with electrons, X-rays are emitted. Each element in the specimen emits its own X-ray spectrum which consists of a number of prominent lines superimposed on a continuous background. The spectral lines emitted by each element are characteristic of the element, in the way that the D doublet (λ = 600 nm) is characteristic of the optical spectrum of sodium, and they can be used to identify the elements which are present in the specimen.
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SIMS, R., MARSHALL, D. Location of Nucleic Acids by Electron Probe X-ray Microanalysis. Nature 212, 1359 (1966). https://doi.org/10.1038/2121359a0
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DOI: https://doi.org/10.1038/2121359a0
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