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Optimal conditions for the use of correspondence analysis for element determination in EELS images

Correspondence analysis is used for the determination of element localization and element concentration in electron energy–loss imaging. The introduction of a new method for the quantification of element concentration embedded in the protocols of correspondence analysis may be regarded as a useful replacement of the power–law estimation technique, especially in regions of the spectrum where the latter method cannot be used. Conditions for the optimum use of the method are established.