ResourceSpectroscopy
Sample Preparation for XRF Analysis
11 Mar 2013The main objective of x-ray fluorescence analysis is the quantitative determination of elements which requires a high degree of accuracy and reproducibility. Both parameters are directly related to the quality of the sample preparation. This application note demonstrates how the RETSCH Mixer Mill MM 400 can be used prepare homogenous particle sizes to ensure good reproducibility.
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Mixer Mill MM 400
Retsch GmbHThe mixer mill MM 400 is a compact versatile bench-top unit, which has been developed specially for dry, wet and cryogenic grinding of small amounts of sample.
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Sample PreparationSample preparation can improve the quality and speed of separation techniques. Products to assist sample preparation include filtration equipment, evaporators, membranes and sieves.Particle CharacterizationParticle characterization instruments are used to determine particle size distribution, shape, surface area, zeta potential, density and porosity of particles and materials. Multiple tecchniques are available for determining particle size, shape and count including dynamic light scattering (DLS), laser diffraction, electrozone (Coulter technique), imaging particle analysis and single particle optical sensing. Determine the density of your material with a gas pycnometer or examine its surface area and porosity with gas adsorption analyzers and mercury porosimeters. Find the best particle characterization instruments in our peer-reviewed product directory: compare products, check customer reviews and receive pricing direct from manufacturers.GrindingX-Ray FluorescenceX-ray fluorescence (XRF) is an analytical technique used to determine the elemental composition of materials. It is widely used in geology, materials science, and environmental testing for detecting heavy metals and other elements. Browse our peer-reviewed product directory to find the best XRF systems, compare products, check reviews, and get pricing directly from manufacturers.