Fourier Transform Infrared Spectroscopic Method for Evolved-Gas Analysis

1990 ◽  
pp. 343-355 ◽  
Author(s):  
Cheng-Yih Kuo ◽  
Theodore Provder
Keyword(s):  
Fourier Transform ◽  
Evolved Gas Analysis ◽  
Spectroscopic Method ◽  
Fourier Transform Infrared ◽  
Gas Analysis ◽  
Evolved Gas ◽  
Infrared Spectroscopic

Fourier Transform Infrared Evolved Gas Analysis: Additional Considerations and Options

1981 ◽  
Vol 35 (1) ◽  
pp. 95-101 ◽  
Author(s):  
John O. Lephardt ◽  
Robert A. Fenner
Keyword(s):  
Fourier Transform ◽  
Functional Group ◽  
Evolved Gas Analysis ◽  
Group Analysis ◽  
Fourier Transform Infrared ◽  
Gas Analysis ◽  
Evolved Gas ◽  
Qualitative And Quantitative ◽  
Yield Information ◽  
Functional Group Analysis

The technique of Fourier transform infrared evolved gas analysis described previously has been expanded both with respect to data processing options and to application areas. In this paper several of these additional options and applications are described. For improved qualitative and quantitative capabilities, smoothing and integration have been found beneficial. The use of interferometric processing permits compound specific profiles to be generated quickly. By considering reaction properties, the operations of spectral subtraction and factor analysis can be shown to yield information on both reaction stoichiometries and the number of reactions occurring vs temperature. In the area of applications, the examination of polymer chain length, functional group analysis, and intermolecular interactions are discussed.

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