Versatile Ultrasonic Spectrometer for Liquids With Practical Sample Handling by Using Standard Cuvettes

Autor(es)

Tiago, Marcelo Moreira ^[1] ; Higuti, Ricardo Tokio ^[2] ; Elvira, Luis ^[3] ; Kitano, Claudio ^[2] ; Assuncao, Edvaldo ^[2] ; Oliveira, Samuel L. ^[4]

Afiliação do(s) autor(es)

^[1] Univ Fed Ouro Preto, Inst Exact & Appl Sci, Dept Elect Engn, BR-35931026 Joao Monlevade - Brazil

^[2] Univ Estadual Paulista UNESP, Sch Engn, Dept Elect Engn, Campus Ilha Solteira, BR-15385000 Ilha Solteira - Brazil

^[3] CSIC, Inst Tecnol Fis & Informac, E-28006 Madrid - Spain

^[4] Univ Fed Mato Grosso do Sul, Inst Phys, BR-79070900 Campo Grande - Brazil

• Tipo de documento: Artigo Científico
• Fonte: IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL; v. 66, n. 1, p. 109-118, JAN 2019.
• Citações Web of Science: 1

Resumo

This work describes the development and tests of a new ultrasonic spectrometer for liquids based on the use of commercial cuvettes for sample handling. The spectrometer operates in the frequency range from 20 to 80 MHz and gathers some important characteristics, which are its high thermal stability (better than 0.01 degrees C), by the use of Peltier cells, and practical sample handling with small volume (<= 3 ml) samples placed inside cuvettes which can be easily removed from the spectrometer, cleaned/sterilized, or simply discarded. Through-transmission operation is used to measure propagation velocity and attenuation coefficient, and the spectrometer was tested with mixtures of water and NaCl, which have attenuations smaller than that of distilled water, and higher attenuation samples of silicone and castor oil. Backscattering studies of polystyrene particles of 10- and 15-mu m diameters were also conducted, showing the versatility of the instrument. (AU)

• Processo FAPESP: 14/09038-3 - Métodos para caracterização de líquidos por ultrassom
• Beneficiário: Ricardo Tokio Higuti
• Modalidade de apoio: Auxílio à Pesquisa - Pesquisador Visitante - Internacional
• Processo FAPESP: 14/09034-8 - Medição de propriedades de líquidos por ultrassom com altas frequências
• Beneficiário: Ricardo Tokio Higuti
• Modalidade de apoio: Auxílio à Pesquisa - Regular