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Author : D. F. Smith
Publisher :
ISBN 13 :
Total Pages : 34 pages
Book Rating : 4.3/5 (91 download)
Download or read book Infrared Spectra Analysis for Hydrogen Fluoride written by D. F. Smith and published by . This book was released on 1956 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Alvin H. Nielsen
Publisher :
ISBN 13 :
Total Pages : 119 pages
Book Rating : 4.:/5 (227 download)
Download or read book Line Intensity and Pressure Broadening Studies in Hydrogen Fluoride and Other Problems in Infrared Spectroscopy written by Alvin H. Nielsen and published by . This book was released on 1965 with total page 119 pages. Available in PDF, EPUB and Kindle. Book excerpt: The principal activity under the contract was to carry out experiments which would give information about the shapes, shifts, and effects of self-broadening of spectral lines using the vibration-rotation lines in the fundamental infrared band of Hydrogen Fluoride as the medium for measurement. All measurements were made with a high-dispersion vacuum-grating infrared spectrometer capable of resolution to something bett than 0.1/cm in the region of the HF fundamental. Slit functions were carefully determined using absorption lines from the fundamental of CO at very low pressures. Computational methods were developed making it possible to determine true line shapes accurately. Measured line shapes were compared with predicted Lorentz line shapes. The Lorentz parameter was obtained by the equivalentwidth method for the pressure broadened spectral lines in the HF fundamental from m = -6 to m = +12. Investigations of the infrared spectra of several molecules such as CO2, T2O, CH3C1 are included. Molecular constants are listed. (Author).
Author : Gary Lynn Johnson
Publisher :
ISBN 13 :
Total Pages : 470 pages
Book Rating : 4.:/5 (18 download)
Download or read book Matrix Infrared Spectroscopy of Hydrogen Bonded Complexes of Hydrogen Fluoride written by Gary Lynn Johnson and published by . This book was released on 1983 with total page 470 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : A. Gene Collins
Publisher :
ISBN 13 :
Total Pages : 206 pages
Book Rating : 4.3/5 (243 download)
Download or read book Aluminum Fluoride from Wet Hydrogen Fluoride Offgas written by A. Gene Collins and published by . This book was released on 1961 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : William F. Herget
Publisher :
ISBN 13 :
Total Pages : 134 pages
Book Rating : 4.:/5 (838 download)
Download or read book The Infrared Spectrum of Hydrogen Fluoride written by William F. Herget and published by . This book was released on 1962 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : William George Von Holle
Publisher :
ISBN 13 :
Total Pages : 152 pages
Book Rating : 4.:/5 (38 download)
Download or read book Far Infrared Spectra of Matrix-isolated Hydrogen Fluoride, Hydrogen Chloride and Water written by William George Von Holle and published by . This book was released on 1969 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Robert Morrell Talley
Publisher :
ISBN 13 :
Total Pages : 50 pages
Book Rating : 4.:/5 (824 download)
Download or read book The Infrared Spectrum of Hydrogen Fluoride written by Robert Morrell Talley and published by . This book was released on 1948 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 22 pages
Book Rating : 4.:/5 (227 download)
Download or read book INFRARED SPECTRA OF HF-DF MIXED CRYSTALS AND THE STRUCTURE OF HYDROGEN FLUORIDE. written by and published by . This book was released on 1963 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 63 pages
Book Rating : 4.:/5 (227 download)
Download or read book INFRARED SPECTRUM OF HYDROGEN FLUORIDE: SHAPES, POSITIONS AND INTENSITIES OF HIGH J LINES IN THE FUNDAMENTAL BAND. written by and published by . This book was released on 1962 with total page 63 pages. Available in PDF, EPUB and Kindle. Book excerpt: The aim of this investigation was to determine experimentally the true line shape and line position for as many as possible of the high J rotational absorption lines in the hydrogen fluoride fundamental band. The line shapes were to be determined at identical temperatures and at pressures where pressure broadening made the only significant contribution to the line shape. All data were taken on the high resolution vacuum-grating spectrometer. The HF lines were used as internal standards for calibrating purposes. The R(5) line of the first overtone of CO was used to determine the slit function to correct measured line shapes for distortions caused by instrumental broadening. The line position of R(11) was measured to be 4320.97 waves per cm. The line shapes of R(9), R(10), and R(11) were determined and found to be truly Lorentzian.
Author :
Publisher :
ISBN 13 :
Total Pages : 151 pages
Book Rating : 4.:/5 (227 download)
Download or read book THE INFRARED SPECTRUM OF HYDROGEN FLUORIDE: LINE POSITIONS AND LINE SHAPES. written by and published by . This book was released on 1962 with total page 151 pages. Available in PDF, EPUB and Kindle. Book excerpt: The true shape of the rotational absorption lines of the hydrogen fluoride fundamental band was investigated. The line shapes were to be measured at pressures where pressure broadening made the only significant contribution to the true line shape. The experimental aspects of this investigation are discussed. All data were taken with the vacuum-grating spectrograph recently completed at the University of Tennessee. The results of the line center and line shape measurements are presented. Twentyone fundamental and seventeen first overtone line centers were measured at low pressure with an estimated accuracy of! 1/0.02 cm. The fundamental and first overtone band centers were calculated to be 1/3961.43 cm and 1/7750.83 cm, respectively. The results of this investigation and suggestions for future experiments in this field are presented.
Author : Willard Earl Hobbs
Publisher :
ISBN 13 :
Total Pages : 82 pages
Book Rating : 4.3/5 (91 download)
Download or read book The Infrared Spectrum of Chromyl Fluoride written by Willard Earl Hobbs and published by . This book was released on 1957 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Arthur Allen Mason
Publisher :
ISBN 13 :
Total Pages : 156 pages
Book Rating : 4.:/5 (227 download)
Download or read book An Examination of the Far Infrared Spectrum of Hydrogen Fluoride written by Arthur Allen Mason and published by . This book was released on 1963 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of the investigation was to determine the frequencies, the ground state rotational constants, the intensities, and the half widths of as many of the pure rotational absorption lines of hydrogen fluoride as could be measured. The problem, in part, required the development of a far infrared spectrometer. This was accomplished by the redesign and reconstruction of a PerkinElmer Model 12B prism instrument. The general techniques of far infrared instrumentation are discussed in detail and their application to this particular instrument explained. The vacuum wave numbers of the line centers of the first seventeen lines of the pure rotational spectrum of hydrogen fluoride were measured. These lines map the region between 41.08 cm( -1) and 658.54 cm( -1). The equivalent widths for fifteen lines were measured at several different pressures and found to be directly proportional to the pressure over the range of measurement. (Author).
Author : George A. Kuipers
Publisher :
ISBN 13 :
Total Pages : 318 pages
Book Rating : 4.3/5 (91 download)
Download or read book The Spectrum of Monomeric Hydrogen Fluoride written by George A. Kuipers and published by . This book was released on 1956 with total page 318 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Susy Ngan Ping Tsang
Publisher :
ISBN 13 :
Total Pages : 460 pages
Book Rating : 4.:/5 (39 download)
Download or read book Infrared Overtone Spectroscopy of Hydrogen Fluoride Van Der Waals Complexes at Vhf written by Susy Ngan Ping Tsang and published by . This book was released on 1998 with total page 460 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : R. A. Cleis
Publisher :
ISBN 13 :
Total Pages : 108 pages
Book Rating : 4.:/5 (227 download)
Download or read book Measurement of the Linewidths of Hydrogen Fluoride Q-Transitions Using Coherent Anti-Stokes Raman Spectroscopy written by R. A. Cleis and published by . This book was released on 1983 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt: For this thesis the measurement of the linewidths of the hydrogen Fluoride Q-branch vibrational-rotational transitions was performed using coherent anti-Stokes Raman spectroscopy (CARS). A broadband CARS system was used to excite the first seven vibrational-rotational transitions in the Q-branch of HF. Low resolution spectra were recorded on an optical multichannel analyzer at pressures from 50 to 700 torr in 50 torr increments. At each pressure, 1000 measurements were averaged. A computer was programmed to best fit calculated spectra to experimental spectra by adjusting the linewidths. The linewidth of the Q(3) transition was estimated from infrared data then used as a reference in determining the linewidths of the other transition. All lines displayed pressure broadening in the pressure region investigated with relative magnitudes consistent with theory and available infrared data. Although the Q-branch lines of the observed spectra were partially blended, the CARS measurements and calculations permitted consistent linewidth measurements over the experimental pressure range. Accurate knowledge of the instrument slit function permits linewidth measurements without requiring a reference. Originator supplied keywords include: Molecular spectroscopy; Hydrogen fluoride; Raman spectroscopy; and Infrared spectroscopy.
Author : J. Paul Pemsler
Publisher :
ISBN 13 :
Total Pages : 22 pages
Book Rating : 4.3/5 (91 download)
Download or read book An Infrared Band of a Molecular Complex Between Hydrogen Fluoride and Chlorine Trifluoride written by J. Paul Pemsler and published by . This book was released on 1954 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 18 pages
Book Rating : 4.:/5 (684 download)
Download or read book Quantitative Infrared Analysis of Hydrogen Fluoride written by and published by . This book was released on 1997 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work was performed at the Portsmouth Gaseous Diffusion Plant where hydrogen fluoride is produced upon the hydrolysis of UF6. This poses a problem for in this setting and a method for determining the mole percent concentration was desired. HF has been considered to be a non-ideal gas for many years. D.F. Smith utilized complex equations in his HF studies in the 1950s. We have evaluated HF behavior as a function of pressure from three different perspectives. (1) Absorbance at 3877 cm−1 as a function of pressure for 100% HF. (2) Absorbance at 3877 cm−1 as a function of increasing partial pressure HF. Total pressure = 300 mm HgA maintained with nitrogen. (3) Absorbance at 3877 cm−1 for constant partial pressure HF. Total pressure is increased to greater than 800 mm HgA with nitrogen. These experiments have shown that at partial pressures up to 35mm HgA, HIF follows the ideal gas law. The absorbance at 3877 cm−1 can be quantitatively analyzed via infrared methods.
