Fluorescence Correction
Probe for EPMA uses as a default, a modified form of the REED/ARMSTRONG fluorescence from John Armstrong's CITZAF program. The two modifications are the addition of a fluorescence by M line correction, calibrated using data from Heinrich on Nb and U binary alloys and a modification of the fluorescence intensity (Armstrong, Microbeam Analysis, 1988). The analyst may also select the exact fluorescence correction from Armstrong's CITZAF code without the M line fluorescence or Armstrong ionization term. Also provided is a fluorescence correction with the fluorescence by M lines but without the Armstrong ionization term and a fluorescence correction with the Reed intensity expression.
1 … Reed/JTA w/ M-Line Correction and JTA Intensity Mod.
2 … Reed/JTA (CITZAF.BAS- original with no M-Line Correction)
3 … Reed/JTA w/ M-Line Correction Only
4 … Reed/JTA w/ M-Line Correction and Reed Intensity Mod.