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XRF & XRD

About XRD

X-ray Diffraction (XRD) is a multidisciplinary non-destructive analytical method that provides a broad range of data about chemical composition and crystal structure of natural and industrial materials. Each crystal has a characteristic x-ray pattern which can be used as a fingerprint for its identification. XRD is most widely used for the identification of crystalline compounds based on their diffraction pattern. Some other applications of XRD are in geology, material science, chemistry, the science of environment, physics, and pharmaceutical industry.

About XRF

In order to determine the percentage of elements in a compound, two methods are adoptable. The first method includes the use of analytical chemistry methods which are mostly based on titration. The other method includes non-destructive analysis of samples by processing the secondary x-rays emitted from them (samples). This method is called XRF (X-Ray Fluorescence). XRF is used for measuring the wavelength and intensity of secondary x-rays emitted from constituent elements of the sample. The result helps identify and quantify the constituent elements. XRF is an appropriate method for the identification of completely unknown samples. The main advantage of XRF over chemical methods is its capability of obtaining comprehensive high-precision analyses in a short period of time, with a relatively low cost. XRF has a broad range of applications for a variety of sciences, and nowadays, because of the huge improvements in this field, the method has been accepted as essential for research laboratories. XRF has the capability of analyzing a wide range of elements both qualitatively and quantitatively with a very high speed. Due to its high speed and the fact that it does not need the use of chemical agents, XRF is an environment friendly, inexpensive analytical method.


Services offered in the XRF/XRD Laboratory:



- XRD analysis, providing x-ray spectrums and diffraction patterns, identification of Miller indices, and…
- Defining the presence of asbestos in various compounds
- Identification of phases and/or the types of minerals in stones, soil, and inorganic materials.
- Study on crystal structures
- Defining if the samples are amorphous or crystalline
- Semi-quantitative measurement of phases
- Defining the FWHM (Full Width at Half Maximum)
- Defining the size of nano-particles under certain conditions by the use of Deby- Sherre method
- Study and research on the chemical composition of minerals
- Qualitative and quantitative analysis of chemical elements
- Bulk chemical analysis of main constituent chemical elements of stones and sediments (Si, Ti, Al, Fe, Mn, Mg, Ca, Na, K, P)
- Bulk chemical analysis of rare heavy elements of stone and sediments (Ba, Ce, Co, Cr, Cu, Ga, La, Nb, Ni, Rb, Sc, Sr, Rh, U, V, Y, Zr, Zn)
- The capability of providing results in oxide form
- The capability of introducing up to one hundred samples to the equipment, simultaneously.

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