Calibration
Establishing the relationship between measured X-ray intensity and element concentration.
XRF calibration uses certified reference materials (standards) or FP models to convert detector counts into concentration values.
Factory calibration covers major alloy modes; field verification with check samples ensures ongoing accuracy. Specelex recommends periodic verification per your quality program and application criticality.
Related Terms
Fundamental Parameters (FP)
Physics-based quantification that reduces dependence on matching calibration standards.
Matrix Effect
When the overall sample composition changes measured intensities for target elements.
LOD (Limit of Detection)
The lowest concentration an instrument can reliably distinguish from background noise.