Abstract:Purpose: The present study aims to test the suitability of a waveguide spectrometer, as a rapid and cheap tool to discriminate different fertilizers according to two different manufacturing methods, such as granulation and blending. Methods: The tested instrument is a waveguide vector spectrometer, patented in 2016, that operates in the range 1.6-2.7 GHz, giving both spectral phase and gain measurements. Granulated and blended fertilizers were dehydrated and pulverized, to avoid possible interferences related … Show more
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