Thermal and infrared spectral analyses of sabugalite

1988 ◽  
Vol 33 (2) ◽  
pp. 395-399 ◽  
Author(s):  
J. Čejka ◽  
Z. Urbanec ◽  
J. Čejka ◽  
J. Ederová ◽  
A. Muck
Keyword(s):  
Spectral Analyses ◽  
Infrared Spectral

Visible to Short-Wave Infrared Spectral Analyses of Mars from Orbit Using CRISM and OMEGA

2019 ◽  
pp. 453-483
Author(s):  
Scott L. Murchie ◽  
Jean-Pierre Bibring ◽  
Raymond E. Arvidson ◽  
Janice L. Bishop ◽  
John Carter ◽  
...  
Keyword(s):  
Short Wave ◽  
Spectral Analyses ◽  
Infrared Spectral ◽  
Short Wave Infrared

Alkyllithium-Initiated Polymerization of Trans-1,3,5-Hexatriene and Copolymerization with Styrene

1989 ◽  
Vol 62 (2) ◽  
pp. 332-342 ◽  
Author(s):  
Roderic P. Quirk ◽  
Rajeev Bhatia
Keyword(s):  
Branched Polymers ◽  
General Effect ◽  
Block Copolymerization ◽  
Conjugated Diene ◽  
Polymer Backbone ◽  
Spectral Analyses ◽  
Effect Of Solvent ◽  
Hydrocarbon Solvents ◽  
Infrared Spectral ◽  
Conjugated Trienes

Abstract The results reported herein established the complexity of the alkyllithium-initiated anionic homopolymerization, styrene copolymerization and styrene block copolymerization of 1,3,5-hexatriene in comparison to the controlled, predictable behavior observed with dienes. As a result of 1,6- and 1,2-enchainment, conjugated diene units are formed along the polymer backbone which can react with the living carbanionic centers to produce branched polymers as indicated in Equation (1). The general effect of solvent on microstructure, as indicated by infrared spectral analyses, is analogous to that of dienes in that 1,2-addition is increased in polar versus hydrocarbon solvents. The observation of branching reactions suggests that conjugated trienes may be useful as branching agents for copolymerizations or linking reactions analogous to the behavior of divinylbenzenes.

Thermal Infrared Spectral Analyses of Mars from Orbit Using the Thermal Emission Spectrometer and Thermal Emission Imaging System

2019 ◽  
pp. 484-498
Author(s):  
Victoria E. Hamilton ◽  
Philip R. Christensen ◽  
Joshua L. Bandfield ◽  
A. Deanne Rogers ◽  
Christopher S. Edwards ◽  
...  
Keyword(s):  
Thermal Emission ◽  
Imaging System ◽  
Thermal Infrared ◽  
Spectral Analyses ◽  
Infrared Spectral

Visible and Near-Infrared Spectral Analyses of Asteroids and Comets from Dawn and Rosetta

2019 ◽  
pp. 413-427
Author(s):  
M. Cristina De Sanctis ◽  
Fabrizio Capaccioni ◽  
Eleonora Ammannito ◽  
Gianrico Filacchione
Keyword(s):  
Near Infrared ◽  
Spectral Analyses ◽  
Infrared Spectral ◽  
Asteroids And Comets

Bulk mineralogy of the NE Syrtis and Jezero crater regions of Mars derived through thermal infrared spectral analyses

Icarus ◽  
2018 ◽  
Vol 301 ◽  
pp. 76-96 ◽  
Author(s):  
M.R. Salvatore ◽  
T.A. Goudge ◽  
M.S. Bramble ◽  
C.S. Edwards ◽  
J.L. Bandfield ◽  
...  
Keyword(s):  
Thermal Infrared ◽  
Spectral Analyses ◽  
Infrared Spectral

Vuv Spectra Y to Mo

1988 ◽  
Vol 102 ◽  
pp. 239
Author(s):  
M.S.Z. Chaghtai
Keyword(s):  
Excited States ◽  
Spectral Analyses ◽  
Vuv Spectra

Using R.D. Cowan’s computations (1979) and parametric calculations of Meinders et al (1982), old analyses are thoroughly revised and extended at Aligarh, of Zr III by Khan et al (1981), of Nb IV by Shujauddin et Chaghtai (1985), of Mo V by Tauheed at al (1985). Cabeza et al (1986) confirmed the last one largely.Extensive studies have been reported of the 1–e spectra, Zr IV (Rahimullah et al 1980; Acquista and Reader 1980), Nb V (Shujauddin et al 1982; Kagan et al 1981) and Mo VI (Edlén et al 1985). Some interacting 4p54d2levels of these spectra have been reported from our laboratory, also.Detailed spectral analyses of transitions between excited states have furnished complete energy values for J ≠ 1 levels of these spectra during 1970s and 80s. Shujauddin et al (1982) have worked out Nb VI and Tauheed et al (1984) Mo VII from our lab, while Khan et al (1981) share the work on Zr V with Reader and Acquista (1979).

FR-IR Molecular Microanalysis System

1990 ◽  
Vol 48 (2) ◽  
pp. 270-271
Author(s):  
John A. Reffner ◽  
William T. Wihlborg
Keyword(s):  
Fourier Transform ◽  
Fourier Transform Infrared ◽  
Integrated System ◽  
Morphological Examination ◽  
Fully Integrated ◽  
Ir Microscopy ◽  
Normal Functions ◽  
Infrared Microspectroscopy ◽  
Infrared Spectral ◽  
Ft Ir

The IRμs™ is the first fully integrated system for Fourier transform infrared (FT-IR) microscopy. FT-IR microscopy combines light microscopy for morphological examination with infrared spectroscopy for chemical identification of microscopic samples or domains. Because the IRμs system is a new tool for molecular microanalysis, its optical, mechanical and system design are described to illustrate the state of development of molecular microanalysis. Applications of infrared microspectroscopy are reviewed by Messerschmidt and Harthcock.Infrared spectral analysis of microscopic samples is not a new idea, it dates back to 1949, with the first commercial instrument being offered by Perkin-Elmer Co. Inc. in 1953. These early efforts showed promise but failed the test of practically. It was not until the advances in computer science were applied did infrared microspectroscopy emerge as a useful technique. Microscopes designed as accessories for Fourier transform infrared spectrometers have been commercially available since 1983. These accessory microscopes provide the best means for analytical spectroscopists to analyze microscopic samples, while not interfering with the FT-IR spectrometer’s normal functions.

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