High Quality Content by WIKIPEDIA articles! Acoustic resonance spectroscopy is a method of spectroscopy in the acoustic region, primarily the sonic and ultrasonic regions. ARS is typically much more rapid than HPLC and NIR. It is non destructive and requires no sample preparation as the sampling waveguide can simply be pushed into a sample powder/liquid or in contact with a solid sample. To date, the AR spectrometer has successfully differentiated and quantified sample analytes in various forms; tablets, powders, and liquids. It has been used to measure and monitor the progression of chemical reactions, such as the setting and hardening of concrete from cement paste to solid.

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