It is also the best way to make a homogenous sample, essential is quantitative results are required. This so called 'filter peel' method enhances the preferred orientation of the platy clay particles which helps to obtain a good diffraction signal from the diagnostic basal planes of the clay minerals. Once obtained the clay fraction is prepared by collecting it on a filter and transferring the layer of clay to a glass slide substrate. Typically, clay mineral analysis involves the separation of a clay sized fraction (usually < 2 micron) from the sample. We specialise in the analysis of clay minerals by XRPD. Clay minerals and clay size fraction analysis This means they have been thoroughly verified, audited and checked to ensure they are robust analytical methods that give reliable results. It can also be used to quantify the proportions of different minerals or indeed many other substances when they are present in a mixture.Īll of our routine XRPD methods, including our quantitative methods, are UKAS accredited. ![]() X-ray Powder Diffraction (XRPD) is a versatile technique that can be used to identify any crystalline substances, such as most minerals.
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