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time-of-flight mass spectroscopy

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Journal Article
Published: 01 January 2000
American Mineralogist (2000) 85 (1): 194-205.
...Richard J. Harrison; Simon A.T. Redfern; Ron I. Smith Abstract The R 3̅ to R 3̅ c cation ordering phase transition in the ilmenite (FeTiO 3 ) – hematite (Fe 2 O 3 ) solid solution has been investigated using in-situ time-of-flight neutron powder diffraction. Four synthetic samples of the solid...
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Results from LC (liquid chromatography) <b>time</b>-of-<b>flight</b> (ESI-TOF) <b>mass</b> spect...
in > Geology
Published: 01 March 2013
Figure 3. Results from LC (liquid chromatography) time-of-flight (ESI-TOF) mass spectrometry and excitation-emission matrix (EEM) spectroscopy. A–C: ESI-TOF mass spectrometry results with common peaks indicated by green arrows and taxon-specific peaks indicated by purple, orange, and yellow
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Figure 3. Outer monolayers depicted using <b>time</b>-of-<b>flight</b> secondary ion <b>mass</b>...
in > Geology
Published: 01 July 2006
Figure 3. Outer monolayers depicted using time-of-flight secondary ion mass spectroscopy of varnish surface from Death Valley, California, has less Mn (A) and is richer in Si (B). After in situ 5 nm sputter removal, to remove apparent aerosol deposition, outer surfaces contain C (10.76 atomic
Journal Article
Journal: Geology
Published: 01 March 2013
Geology (2013) 41 (3): 347-350.
...Figure 3. Results from LC (liquid chromatography) time-of-flight (ESI-TOF) mass spectrometry and excitation-emission matrix (EEM) spectroscopy. A–C: ESI-TOF mass spectrometry results with common peaks indicated by green arrows and taxon-specific peaks indicated by purple, orange, and yellow...
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Journal Article
Published: 01 August 2010
American Mineralogist (2010) 95 (8-9): 1141-1150.
...Francis M. McCubbin; Andrew Steele; Hanna Nekvasil; Albert Schnieders; Timothy Rose; Marc Fries; Paul K. Carpenter; Bradley L. Jolliff Abstract Fluorapatite grains from Apollo 15 Mare basalt 15058,128 were analyzed by Raman spectroscopy, Raman spectral imaging, time-of-flight secondary ion mass...
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Journal Article
Published: 01 July 2015
American Mineralogist (2015) 100 (7): 1483-1492.
... mineralogy. An important task for further advancing research in the field is to create homogeneous single crystals of candidate deep-mantle water-bearing minerals of 1 mm or larger in size, which is required for applying them for the time-of-flight (TOF) single-crystal Laue diffraction method with a third...
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Journal Article
Published: 01 January 2007
American Mineralogist (2007) 92 (1): 19-26.
... 18 O-enriched NaCl solutions in hydrothermal reactions and run-product analyses using scanning electron microscopy, infrared and Raman spectroscopy, and time-of-flight secondary ion mass spectrometry, we show that the replacement of leucite by analcime is not a solid-state reaction involving cation...
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Journal Article
Journal: Clay Minerals
Published: 01 June 2009
Clay Minerals (2009) 44 (2): 249-266.
... determined by FTIR-ATR spectroscopy are in good agreement with values obtained by through-diffusion experiments. As the constructed cell allowed determination of realistic D eff in a relatively short time, extensions of the cell are planned which will allow in situ measurements at different...
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Journal Article
Published: 01 November 2018
Reviews in Mineralogy and Geochemistry (2018) 84 (1): 177-228.
... detailed time-resolved studies as well as structural mapping of the locations of functional groups inside reacting molecules ( Zanni and Hochstrasser 2001 ). Reflectance IR spectroscopy (R–IR) detects an IR beam reflected from a single or muliple surfaces ( Fig. 3 ). It provides an effective and non...
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Journal Article
Journal: Geophysics
Published: 01 January 2003
Geophysics (2003) 68 (5): 1561-1568.
... and the sensor-array gain variations. The Spectroscopy Group at Montana Tech maintains ALIS, a VNIR imaging spectrometer capable of collecting hyperspectral data in the laboratory or from an airborne platform. The instrument is a pushbroom-type scanner originally designed for low-altitude flights...
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Journal Article
Published: 01 October 2015
American Mineralogist (2015) 100 (10): 2141-2151.
...) (cf. review of Potts et al. 1995 ), and time-of-flight secondary ion mass spectrometry (TOF-SIMS) are capable of mapping lithium, but very few studies of light element mapping using these techniques have been carried out with mineralogical applications in mind. Depth homogeneity of lithium and boron...
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Journal Article
Journal: Economic Geology
Published: 01 March 2018
Economic Geology (2018) 113 (2): 489-510.
...Garth E. Graham; Raymond F. Kokaly; Karen D. Kelley; Todd M. Hoefen; Michaela R. Johnson; Bernard E. Hubbard Abstract The U.S. Geological Survey tested the utility of imaging spectroscopy (also referred to as hyperspectral remote sensing) as an aid to regional mineral exploration efforts in remote...
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Journal Article
Published: 01 January 2014
Reviews in Mineralogy and Geochemistry (2014) 78 (1): 399-446.
... a sintered slab than the usual particulate soils encountered on planetary surfaces (e.g., Eluszkiewicz 1991 ; Grundy and Stansberry 2000 ). Based on seasonal models, latitudinal heterogeneity in the spatial distribution of Triton’s ices is expected, but time-resolved spectroscopy reveals a longitudinal...
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Series: European Mineralogical Union Notes in Mineralogy
Published: 01 January 2012
DOI: 10.1180/EMU-notes.12.11
EISBN: 9780903056366
... mission is a very important step forward in that it will be the first time that Raman spectroscopy has been used in a remote extraterrestrial capacity and the challenges need to be appreciated. The advantages of the technique for the characterization of key molecular biological and biogeological materials...
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Journal Article
Journal: Economic Geology
Published: 01 August 2014
Economic Geology (2014) 109 (5): 1179-1221.
... samples was done at 15 kV, 30 nA (cup) current, using a spot beam. Typical map sizes were 500 × 500 pixels with a 0.5 micrometer pixel size and dwell time of 40 microseconds per pixel. SEM analyses of hydrated SiO 2 field samples was done on gold-coated grains using a JEOL 5800LV ® instrument. Energy...
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Series: European Mineralogical Union Notes in Mineralogy
Published: 01 January 2012
DOI: 10.1180/EMU-notes.12.3
EISBN: 9780903056366
... Abstract Raman spectroscopy has gone through several stages of development linked with improvements in technology, especially in electronics, lasers, filters and detectors. Many commercially available instruments are easy to use and have become plug-and-play instruments that are now widespread...
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Journal Article
Published: 01 August 2017
Reviews in Mineralogy and Geochemistry (2017) 83 (1): 199-230.
... instruments have been manufactured; one is located at ANU, and the other is at Stanford University where it is cooperatively operated with the U.S. Geological Survey. The reverse geometry of SHRIMP-RG, which employs the magnet before the ESA ( Fig. 1 ), allows a mass resolution of up to four times higher than...
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Series: European Mineralogical Union Notes in Mineralogy
Published: 01 January 2017
DOI: 10.1180/EMU-notes.16.5
EISBN: 9780903056649
...-1280), the magnetic sector high spatial resolution instrument (CAMECA NanoSIMS), and finally the time-of-flight SIMS instrument such as IonTof instruments, which are dedicated mostly to surface analysis. This chapter will be focused on the magnetic sector ion microprobe, the most frequently used...
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Series: European Mineralogical Union Notes in Mineralogy
Published: 01 January 2005
DOI: 10.1180/EMU-notes.7.8
EISBN: 9780903056465
... capabilities complement each other, and which can be done with laboratory-scale instrumentation often available in materials science laboratories. These include atomic force microscopy (AFM), time-of-flight secondary ion mass spectrometry (TOF-SIMS), X-ray photoelectron spectroscopy (XPS) and low-energy...
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Journal Article
Published: 01 June 2016
Clays and Clay Minerals (2016) 64 (3): 220-229.
...), and electrospray ionization-tandem quadrupole-mass spectrometry (ESI-TQD-MS). The solid residues were analyzed using Fourier-transform infrared spectroscopy (FTIR). The UV and FTIR spectra of the AfB 1 -sm clay residue extracts obtained after heating had decreased AfB 1 peak intensities and shifted peak positions...
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