Evidencing molecular associations in binary liquid mixtures via photothermal measurements of thermophysical parameters

C. Neamtu, D. Dadarlat, M. Chirtoc, A.H. Sahraoui, S. Longuemart, D.D. Bicanic

Research output: Contribution to journalArticleAcademicpeer-review

22 Citations (Scopus)

Abstract

The back photopyroelectric (PPE) configuration, with opaque sample and thermally thick sample and sensor, was applied in order to obtain room temperature values of the thermal diffusivity of some liquid mixtures. The methodology is based on a sample's thickness scan, and not on a frequency scan as is usually the case. The possibility of precisely controlling the sample's thickness variation leads to very accurate and reproducible values for the thermal diffusivity. The method is proposed as an alternative for evidencing molecular associations in binary liquid mixtures
Original languageEnglish
Pages (from-to)225-234
JournalInstrumentation Science and Technology
Volume34
Issue number1-2
DOIs
Publication statusPublished - 2006

Keywords

  • photopyroelectric method
  • thermal-diffusivity

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