Several
different collimators can be used to reduce the step/scan resolution, as
well as up to eight analyzer crystals, to better enhance spectral data for
a specific element. Detection can be performed using a flow proportional
counter (light elements) or a scintillation counter (heavy
elements). In this work, analyses were made in vacuum atmosphere.
Moreover, to avoid possible problems with inhomogeneity when
measuring the standards/samples, a sample spinner facility was used
in all cases.