Measurements and Interpretation of the Intensity of X-Rays Reflected from Sodium Chloride and Aluminum

Abstract

Measurements of the intensity of x-rays reflected from sodium chloride have been made by three methods: (1) Reflection from a single crystal, (2) Reflection from a plate of powdered crystals, (3) Reflection from a powdered plate using the transmission method. The results from single and powdered crystal measurements are not in agreement, showing that there is possibly an uncorrected extinction effect in the single crystal measurements. The results from both powdered crystal methods are in very close agreement.