Characteristic X-ray Lines Kβ and o2 will cause Extra peaks in XRD pattern, but can be eliminated by adding Ka1filters <0.001A ---- is the mass Ko absorption coefficient of zr 久=2dsin WAVELENGTH (angstroms Spectrum of Mo at 35kVCharacteristic X-ray Lines Spectrum of Mo at 35kV K1 K K I  (Å) <0.001Å K2 K and K2 will cause Extra peaks in XRD pattern, but can be eliminated by adding filters. ----- is the mass absorption coefficient of Zr. =2dsin