Abstract

A rapid infrared method for the quantitative analysis of relative amounts of D₂O and H₂O in mixtures as they are obtained in quantities as small as 0.01 ml from reaction mechanism studies off a gas chromatographic column was developed in our laboratory. Several methods have been described in the literature (<i>1-3</i>). Some in the near infrared region (<i>4</i>) are either time-consuming or require special additional equipment (<i>5</i>). The method to be described has the advantage of being independent of the sample concentration in the solvent since it is based on the absorbance ratios of the OH and OD stretching bands at 2.83 and 3.90 microns. The total water content is not measured although a high degree of accuracy on the relative concentrations of the two components is attainable.

New Variable Thickness Infrared Cell and the Infrared Spectra of HF, DF, H₂O, and D₂O†

Richard M. Adams and J. J. Katz
J. Opt. Soc. Am. 46(10) 895-898 (1956)

Temperature measurements in a rapid compression machine using mid-infrared H₂O absorption spectroscopy near 7.6 μm

Mruthunjaya Uddi, Apurba Kumar Das, and Chih-Jen Sung
Appl. Opt. 51(22) 5464-5476 (2012)

High-Temperature Spectral Emissivities of H₂O–CO₂ Mixtures in the 2.7-μ Region

C. C. Ferriso and C. B. Ludwig
Appl. Opt. 3(12) 1435-1443 (1964)

Absorption of Infrared Radiation by CO₂ and H₂O. Experimental Techniques*

Darrell E. Burch, David A. Gryvnak, and Richard R. Patty
J. Opt. Soc. Am. 57(7) 885-895 (1967)

H₂o absorption spectroscopy for determination of temperature and H₂O mole fraction in high-temperature particle synthesis systems

Paul V. Torek, David L. Hall, Tiffany A. Miller, and Margaret S. Wooldridge
Appl. Opt. 41(12) 2274-2284 (2002)