WDS differs from EDS in that it uses the diffraction of X-rays on special crystals to separate its raw data into spectral components ( wavelengths ) .
EDS is often contrasted with its spectroscopic counterpart , WDS ( wavelength dispersive X-ray spectroscopy ) .
WDS differs from EDS in that WDS uses the diffraction of X-rays on special crystals to separate WDS 's raw data into spectral components ( wavelengths ) .
EDS is often contrasted with its spectroscopic counterpart , WDS ( wavelength dispersive X-ray spectroscopy ) .