post-filter effect

in luminescence spectroscopy
https://doi.org/10.1351/goldbook.P04772
This effect arises when the exciting beam does not fill the cell completely and @L03641@ is absorbed by the analyte and interfering impurities in the non-illuminated region facing the detector.
Source:
PAC, 1984, 56, 231. (Nomenclature, symbols, units and their usage in spectrochemical analysis-Part VI: molecular luminescence spectroscopy) on page 244 [Terms] [Paper]
Citation: 'post-filter effect' in IUPAC Compendium of Chemical Terminology, 3rd ed. International Union of Pure and Applied Chemistry; 2006. Online version 3.0.1, 2019. https://doi.org/10.1351/goldbook.P04772 RIS BibTex EndNote
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Last revised: February 24, 2014