infrared spectrophotometry

infrared spectrophotometry

[¦in·frə¦red ¦spek·trə·fə′täm·ə·trē]
(spectroscopy)
Spectrophotometry in the infrared region, usually for the purpose of chemical analysis through measurement of absorption spectra associated with rotational and vibrational energy levels of molecules.
References in periodicals archive ?
Fourier Transform Infrared Spectrophotometry. In order to detect the basic chemical bonding in the [Ge.sub.x][Sb.sub.40-x][Se.sub.60] compositions Fourier Transform infrared measurements were performed in the terahertz spectral range of 450-50 [cm.sup.-1] of the polarized light.
[10.] Ojima J.: Determining of crystalline silica in respirable dust samples by infrared spectrophotometry in the presence of interferences.
(B) Determination by Infrared Spectrophotometry. The oil content of liquid in 50 mL flasks was determined successively with infrared oil analyzer.
Authors Bruno (thermophysical properties division, National Institute of Standards and Technology, Boulder, Colorado) and Svoronos (chemistry, Queensborough Community College, City University of New York) have created a comprehensive practice tool that includes tables for topics like gas chromotgraphy, electrophoresis, and infrared spectrophotometry. The text contains both a general subject index as well as a chemical compound index for easy reference.
The techniques used in these applications include gas chromatography (GC), HPLC and infrared spectrophotometry (IR).
It covers ultraviolet- visible spectrometry, infrared spectrophotometry, nuclear magnetic resonance spectrometry, mass spectrometry, laboratory safety, and unit conversions and physical constants, with the most recent data from the literature including information for many new compounds as well as diagnostic and calibration information.
Dalal RC, Henry RJ (1986) Simultaneous determination of measure, organic carbon, and total nitrogen by near infrared spectrophotometry. Soil Science Society of America Journal 50, 120-123.
The resulting products were characterized using single crystal X-Ray diffraction and spectroscopic techniques such as infrared spectrophotometry.
(14-16) Infrared spectrophotometry has been shown in comparative studies to be an accurate method for assessing [sup.13]C[O.sub.2] enrichment in breath.
This has been further confirmed by FTIR analysis in this study (see Infrared Spectrophotometry section below).
Their work with infrared spectrophotometry indicated that this might be an inclusion complex.

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