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Select Intertek laboratories provide DRIFTS FTIR, Diffuse Reflectance Infrared Fourier Transform Spectroscopy to clients for a wide range of samples and projects.
DRIFTS is one of the most important techniques for studying the surface chemistry of high surface area powders, notably for heterogeneous catalysis, where the temperature and environment of the catalyst can be controlled in-situ in the DRIFTS cell. DRIFTS is also widely used for analysing polymers (foams, powders, fibres and composites), and mineral powders. When working with near-IR radiation, DRIFTS is one of the key tools for pharmaceutical analysis.
What is DRIFTS?
Infrared spectroscopy is a powerful analytical tool which probes chemical and physical structures of a wide variety of materials. A key advantage of IR spectroscopy is its ability to analyse almost any sample form, solid, liquid or gas, as received. This sample adaptability offers an advantage over methods such as NMR, chromatography or mass spectrometry, which typically require samples to be soluble or volatile.
DRIFTS is one of a number of infrared sampling techniques available within Intertek; it allows analysis of challenging samples with a minimum of preparation.
A common use is for DRIFTS analysis is the analysis of powders. infrared light is focused onto the powder (sometimes diluted in a non absorbing matrix) and the scattered light is collected and relayed to the IR detector. DRIFTS FTIR can also be applied to other materials with matte or dull surfaces such as fabrics and filled plastics. With care, one can obtain both qualitative and quantitative results. Contact Intertek for more information.
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