OSA's Digital Library

Applied Spectroscopy

Applied Spectroscopy


  • Vol. 47, Iss. 10 — Oct. 1, 1993
  • pp: 1720–1727

Universal Approach for Determination of Physical and Chemical Properties of Water by Near-IR Spectroscopy

Jie Lin and Chris W. Brown

Applied Spectroscopy, Vol. 47, Issue 10, pp. 1720-1727 (1993)

View Full Text Article

Acrobat PDF (659 KB)

Browse Journals / Lookup Meetings

Browse by Journal and Year


Lookup Conference Papers

Close Browse Journals / Lookup Meetings

Article Tools

  • Export Citation/Save Click for help


Near-IR spectroscopy has been investigated as a universal approach for determination of physical and chemical properties of water and their functions of temperature. Principal component regression and multilinear regression models were used to correlate the spectra with the properties of water at temperatures between 5 and 65°C. Fifteen properties of water were investigated including density, refractive index, dielectric constant, relative viscosity, surface tension, vapor pressure, sound velocity, isothermal compressibility, thermal expansivity, thermal capacity, thermal conductivity, enthalpy, free energy, entropy, and ionization constant. Very good correlations were found between the near-IR predicted values of all the properties and those obtained by the traditional methods. This investigation demonstrates that these fifteen properties of water can be simultaneously determined simply by measuring a set of near-IR spectra of water, and, thus, near-IR spectroscopy can be used as a universal method for the determinations of physical and chemical properties of water. Remote sensing of the properties can be performed with the use of a fiber-optic sensor.

Jie Lin and Chris W. Brown, "Universal Approach for Determination of Physical and Chemical Properties of Water by Near-IR Spectroscopy," Appl. Spectrosc. 47, 1720-1727 (1993)

Sort:  Journal  |  Reset


References are not available for this paper.

Cited By

OSA is able to provide readers links to articles that cite this paper by participating in CrossRef's Cited-By Linking service. CrossRef includes content from more than 3000 publishers and societies. In addition to listing OSA journal articles that cite this paper, citing articles from other participating publishers will also be listed.

« Previous Article  |  Next Article »

OSA is a member of CrossRef.

CrossCheck Deposited