A Computer Technique for X-ray Diffraction Curve Fitting/Peak Decomposition…………………………………………....R. C. Jones Introduction Convolution vs. Composition Description of convolution in the context of XRD Description of composition in the context of XRD Peak-Fitting Functions Symmetrical pseudo-Voigt, pure Gaussian, and pure Cauchy peak functions Split pseudo-Voigt peak function Symmetrical and split Pearson type-VII peak functions Pearson type-VII/pseudo-Voigt peak function Pseudo-Voigt/modified exponential peak function Background Options Lorentz-polarization factor Straight, zero-slope line background Straight, sloping-line background Quadratic distribution Gaussian and Cauchy background distributions Gaussian/modified exponential background distribution Significance of Peak Shapes Summary Acknowledgments References Cited Quantitative Mineral Analysis by X-ray Transmission and X-ray Diffraction………………………………...…B. L. Davis and L. R. Johnson Introduction Experimental Procedures Preliminary measurements Suspension and collection Post-loading sample preparation and measurements Data Analysis Selected Results Special Analytical Problems Summary Acknowledgments References cited Quantitative Determination of Clays and Other Minerals in Rocks………………………………………………………...Maynard Slaughter Introduction Theory Problem I. Mineral amounts Problem II. Mineral compositions Mineral Stability Constraints for Problems I and II X-ray powder diffraction intensity constraints -
A Computer Technique for X-ray Diffraction Curve Fitting/Peak Decomposition…………………………………………....R. C. Jones Introduction Convolution vs. Composition Description of convolution in the context of XRD Description of composition in the context of XRD Peak-Fitting Functions Symmetrical pseudo-Voigt, pure Gaussian, and pure Cauchy peak functions Split pseudo-Voigt peak function Symmetrical and split Pearson type-VII peak functions Pearson type-VII/pseudo-Voigt peak function Pseudo-Voigt/modified exponential peak function Background Options Lorentz-polarization factor Straight, zero-slope line background Straight, sloping-line background Quadratic distribution Gaussian and Cauchy background distributions Gaussian/modified exponential background distribution Significance of Peak Shapes Summary Acknowledgments References Cited Quantitative Mineral Analysis by X-ray Transmission and X-ray Diffraction………………………………...…B. L. Davis and L. R. Johnson Introduction Experimental Procedures Preliminary measurements Suspension and collection Post-loading sample preparation and measurements Data Analysis Selected Results Special Analytical Problems Summary Acknowledgments References cited Quantitative Determination of Clays and Other Minerals in Rocks………………………………………………………...Maynard Slaughter Introduction Theory Problem I. Mineral amounts Problem II. Mineral compositions Mineral Stability Constraints for Problems I and II X-ray powder diffraction intensity constraints -
CMS-WLS-Vol-1-TOC.docx