IUPAC > Gold Book > alphabetical index > A > absorbance matching in spectrochemical analysis
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absorbance, Math - titleabsorbed dose of a substance
absorbance matching
in spectrochemical analysis
A procedure where the concentration of a known analyte may be determined by diluting the sample with solvent until the absorbance matches the absorbance of the analyte in the reference cell. This method is particularly useful if the Beer-Lambert law does not hold.
Source:
PAC, 1988, 60, 1449 (Nomenclature, symbols, units and their usage in spectrochemical analysis - VII. Molecular absorption spectroscopy, ultraviolet and visible (UV/VIS) (Recommendations 1988)) on page 1456
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Cite as: IUPAC Compendium of Chemical Terminology, Electronic version, http://goldbook.iupac.org/A00029.html.
Transformed and rewritten from PDF version (entry http://www.iupac.org/goldbook/A00029.pdf)
by: Miloslav Nic, Jiri Jirat, Bedrich Kosata, ICT Prague, Czech Republic
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