Mid-infrared fiber-optic attenuated total reflection spectroscopy of the solid-liquid phase transition of water

Arnon Millo; Yosef Raichlin; Abraham Katzir

doi:10.1366/0003702053641469

Mid-infrared fiber-optic attenuated total reflection spectroscopy of the solid-liquid phase transition of water

Arnon Millo, Yosef Raichlin, Abraham Katzir

Department of Physics

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51 Scopus citations

Abstract

Measurements of mid-infrared (MIR) absorption spectra of water and heavy water were carried out by fiber-optic evanescent wave spectroscopy, using silver halide (AgClBr) infrared fibers. Such measurements were performed for the first time on one sample, during the solid-liquid phase transition. From the variation of the spectra with temperature we found a new isosbestic point (at 3280 cm^-1 for H₂O or at 2475 cm^-1 for D ₂O) and we identified five components of the O-H (O-D) stretch band. These phenomena have provided new information about the molecular structure of water.

Original language	English
Pages (from-to)	460-466
Number of pages	7
Journal	Applied Spectroscopy
Volume	59
Issue number	4
DOIs	https://doi.org/10.1366/0003702053641469
State	Published - Apr 2005

Keywords

Evanescent wave spectroscopy
Infrared absorption
Infrared fibers
Isosbestic points
Phase transition
Water

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abstract = "Measurements of mid-infrared (MIR) absorption spectra of water and heavy water were carried out by fiber-optic evanescent wave spectroscopy, using silver halide (AgClBr) infrared fibers. Such measurements were performed for the first time on one sample, during the solid-liquid phase transition. From the variation of the spectra with temperature we found a new isosbestic point (at 3280 cm-1 for H2O or at 2475 cm-1 for D 2O) and we identified five components of the O-H (O-D) stretch band. These phenomena have provided new information about the molecular structure of water.",

keywords = "Evanescent wave spectroscopy, Infrared absorption, Infrared fibers, Isosbestic points, Phase transition, Water",

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N2 - Measurements of mid-infrared (MIR) absorption spectra of water and heavy water were carried out by fiber-optic evanescent wave spectroscopy, using silver halide (AgClBr) infrared fibers. Such measurements were performed for the first time on one sample, during the solid-liquid phase transition. From the variation of the spectra with temperature we found a new isosbestic point (at 3280 cm-1 for H2O or at 2475 cm-1 for D 2O) and we identified five components of the O-H (O-D) stretch band. These phenomena have provided new information about the molecular structure of water.

AB - Measurements of mid-infrared (MIR) absorption spectra of water and heavy water were carried out by fiber-optic evanescent wave spectroscopy, using silver halide (AgClBr) infrared fibers. Such measurements were performed for the first time on one sample, during the solid-liquid phase transition. From the variation of the spectra with temperature we found a new isosbestic point (at 3280 cm-1 for H2O or at 2475 cm-1 for D 2O) and we identified five components of the O-H (O-D) stretch band. These phenomena have provided new information about the molecular structure of water.

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KW - Infrared absorption

KW - Infrared fibers

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Mid-infrared fiber-optic attenuated total reflection spectroscopy of the solid-liquid phase transition of water

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