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ultraviolet-visible spectrophotometry
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ultraviolet-visible spectrophotometry

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instrumental chemical analysis

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    In chemical analysis: Ultraviolet-visible spectrophotometry

    Absorption in the ultraviolet-visible region of the spectrum causes electrons in the outermost occupied orbital of an atom or molecule to be moved to a higher (i.e., farther from the nucleus) unoccupied orbital. Ultraviolet-visible absorptiometry is principally used for quantitative analysis of atoms…

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