X Ray Powder Diffraction Websites:
xrd.us
X-ray powder and single crystal diffraction services - Rietveld phase...
smianalytical.com
SMI Analytical Laboratory Services | Analytical Chemistry Services | X-ray...
SMI Analytical Laboratory Services / Chemical Laboratory Services specializes in quantitative X-Ray diffraction (XRD) determination of clays, sand, soils, mine ore, minerals,...