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EnglishAcoustic levitator power device is formed by two vertically and opposed high output acoustic transducers working at 22 kHz frequency and produces sound pressure levels of 160 dB. The acoustic waves are monitored from an oscilloscope using a signal amplifier. The ability to perform contactless measurements, avoidance of undesired contamination from the container, are some of advantages of this apparatus. Acoustic levitation can be also used for sample preparation of high concentrated mixtures starting from solutions. In the present paper, an acoustic levitator power device is employed to collect data on levitated water mixtures of Ethylene Glycol (EG) which are then analysed by Infra-Red spectroscopy. The study allows to follow the drying process versus time and to obtain a gel-like compound characterized by an extended chemical crosslinking. © Published under licence by IOP Publishing Ltd.
| Titolo: | Acoustic Levitator Power Device: Study of Ethylene-Glycol Water Mixtures | |
| Autori: | CACCAMO, Maria Teresa (Primo) MAGAZU', Salvatore (Ultimo) | |
| Data di pubblicazione: | 2017 | |
| Rivista: | ||
| Abstract: | Acoustic levitator power device is formed by two vertically and opposed high output acoustic transducers working at 22 kHz frequency and produces sound pressure levels of 160 dB. The acoustic waves are monitored from an oscilloscope using a signal amplifier. The ability to perform contactless measurements, avoidance of undesired contamination from the container, are some of advantages of this apparatus. Acoustic levitation can be also used for sample preparation of high concentrated mixtures starting from solutions. In the present paper, an acoustic levitator power device is employed to collect data on levitated water mixtures of Ethylene Glycol (EG) which are then analysed by Infra-Red spectroscopy. The study allows to follow the drying process versus time and to obtain a gel-like compound characterized by an extended chemical crosslinking. © Published under licence by IOP Publishing Ltd. | |
| Handle: | http://hdl.handle.net/11570/3108445 | |
| Appare nelle tipologie: | 14.a.2 Proceedings in extenso su rivista |
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|---|---|---|---|---|
| 3108445.pdf | Versione Editoriale (PDF) |  | Open Access Visualizza/Apri |
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http://hdl.handle.net/11570/3108445
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