Indeed, absorption spectroscopy is used read in the usual way for qualitative analysis and quantitative of multi-component systems and this technique is used, for example, to determine the con-centering of the various constituents of milk despite the diffi-implementation cultivation resulting from the high content of water and radiation scattering properties through milk. As a result, there are currently methods and devices that allow spectroscopy to be determined absorption, most often by absorption spectroscopy infrared, the concentration of the constituents of a mixture, in particular the level of lipids, carbohydrates and proteins in milk. We know in particular a device consisting a double beam spectrometer comprising two cells, one containing the pure solvent serving as a reference medium and the other containing the sample to be analyzed. In this app similar, we measure for each wavelength characteristic that the difference between the energy absorbed by the sample and that absorbed by the solvent so as to obtain output a signal proportional to the concentration of the compound health to measure.

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TD de Spectroscopie S3 SMP

Skip to search form Skip to main content You are currently offline. Some features of the site may not work correctly. The aim of this work is to demonstrate the potential and capabilities of terahertz technology for parcels screening and inspection to detect threats such as weapons and explosives, without the need to open the parcel. In this study, we first present terahertz time-domain spectroscopy and spectral imaging for explosives detection. Two types of explosives as well as their binary mixture is analyzed. View PDF.


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