X- Ray Powder Diffraction.

... X- RAY POWDER DIFFRACTION By Chiara Mingarelli #100300216 PHYS 3007 Carleton University Submitted Tuesday October 14th 2003 Partner Chris Auger Abstract: In the X Ray Powder Diffraction experiment X rays were produced by bombarding a copper sample with electrons and then filtering the K? rays through a nickel sample. The resultant collimated beam diffracted through our sample (of either NaCl or KCl) and hit our Kodak direct exposure film in the Debye-Scherrer camera. This film was developed in total darkness and the lines were then measured. Using Bragg scattering we determined the plane constant "a" of each cubic crystalline structure. This "a" was determined to be 6.169 ± 2.205 Å in NaCl, compared to 5.639 Å accepted value, which is 0.24 deviations away from the accepted value and hence is an acceptable result. Due to the lack of acceptable values of Miller spacings for the KCl, a value of "a" was not obtainable with our results, but can

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