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Research Technical Services

Diffraction of X-Rays of Dust

XRPD

It Technique of X-Ray of Dust it is mainly for the determination of the chemical composition of a polycrystalline sample. That is, he tells us which crystalline phases are present to the sample. It also gives quantitative information to us, that is, in which relative amount these phases are present. The technique is also for the identification of polymorphism and to determine if a sample is amorphous or cristl·lina and which its bachelor's degree of cristal·linitat is.

Job request

In order to request the analysis of a sample for diffraction of X-rays of dust, you have to get yourselves with the staff responsible for the team in touch.

You will need to give the toxicity and any storage precautions. Once the report has been delivered, if you do not collect the sample within one week, any remaining sample will be destroyed.

The equipment

Difractòmetre de Raigs X of Dust:

Brand:
Bruker AXS


Model:
D8 Advance
Technical specifications:
  • Tube of X-Ray of Copper.
  • The Generator of X-Ray can work of 20 in 60KV and from 5 to 80 mA
  • Detector of sparkling {NaI(Tl)}
  • Equipped with secondary monochromator in order to suppress the radiation of fluorescence in the background and the radiation Kβ
  • Goniometer with Geometria Bragg-Brentano, reflection mode, Theta- 2Theta.
  • Automatic barterer of samples of nine positions

How does it work?

  • The Technique allows the identification of present crystalline phases in solid samples. The identification is carried out comparing the difractograma of the sample to identifying with the patterns stored in a data base of diffraction of dust (JCPDS-PDF 2)
  • Analyses semi-quantitative and quantitative of crystalline phases
  • Determination of the size of crystalline domain
  • Bachelor's degree of cristal·linitat
  • Determination and refinement of the parameters of crystalline eyebrow

Applications / Practical cases

  • Chemical, Pharmaceutical industry and Biotechnology. Identification of Substances. Studies of Polymorphism.
  • Industry of the Construction. Detection of asbestos. Analyses of aggregates and materials for the construction.
  • Quality Assurance of Materials. Metallic pieces.
  • Archaeology and Restoration.
  • The ceramics industry.
  • Nanotechnology and new materials.
  • Analyses of grounds.

More information:

Organisations that have funded the acquisition of the team:

European Union. European background of regional development.
Government of Catalonia

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