inhomogeneity error

in spectrochemical analysis
An error due to inhomogenous distribution of absorbing species in the @A00339@. It may be observed by probing the sample volume with an incident beam of radiation of reduced cross-section.
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 [Terms] [Paper]