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EnglishThe design and basic principles of an experimental setup comprising a microwave-based moisture measurement system with a humid air generator is described. The combination of these two instruments implements a measurement technique similar in principle to that performed by a dynamic vapor sorption system. This technique enables a rapid determination of adsorption/desorption isotherms of moist samples implementing a secondary standard for on-site moisture measurements. Traceability to primary methods, such as loss-on-drying (LoD) or coulometric Karl Fischer (cKF) titration, can be achieved by preliminary calibration of the microwave resonances of a cylindrical resonator. We report preliminary tests of the performance of the whole system as used to determine the moisture content of tobacco.
Progress towards traceable microwave moisture measurements / Chirivì, E.; Gavioso, R. M.; Madonna Ripa, D.; Smorgon, D.; Beltramino, G.; Sega, M; Rolle, F.; Rosso, L.; Fernicola, V.. - (2016), pp. 277-283. ((Intervento presentato al convegno 11th International Conference on Electromagnetic Wave Interaction with Water and Moist Substances (ISEMA 2016) tenutosi a Florence nel 23-27 May 2016.
| Titolo: | Progress towards traceable microwave moisture measurements | |
| Autori: | ||
| Data di pubblicazione: | 2016 | |
| Nome del convegno: | 11th International Conference on Electromagnetic Wave Interaction with Water and Moist Substances (ISEMA 2016) | |
| Luogo del convegno: | Florence | |
| Anno del convegno: | 23-27 May 2016 | |
| Abstract: | The design and basic principles of an experimental setup comprising a microwave-based moisture me...asurement system with a humid air generator is described. The combination of these two instruments implements a measurement technique similar in principle to that performed by a dynamic vapor sorption system. This technique enables a rapid determination of adsorption/desorption isotherms of moist samples implementing a secondary standard for on-site moisture measurements. Traceability to primary methods, such as loss-on-drying (LoD) or coulometric Karl Fischer (cKF) titration, can be achieved by preliminary calibration of the microwave resonances of a cylindrical resonator. We report preliminary tests of the performance of the whole system as used to determine the moisture content of tobacco. | |
| Full-text (pubblici): | partially_open | |
| Appare nelle tipologie: | 4.1 Contributo in Atti di convegno |
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