Sulfur K-shell photoabsorption spectroscopy of the sulfanes RSnR, n = 2–4

Chauvistré, R.; Hormes, J.; Hartmann, E.; Etzenbach, N.; Hosch, R.; Hahn, Josef

doi:10.1016/s0301-0104(97)00217-6

Cited by 63 publications

(52 citation statements)

References 33 publications

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“…1(b) and (c)). Similar behaviour was reported in literature previously and partly also supported by theoretical calculations (Chauvistré et al, 1997;Flemmig et al, 2001;Mochizuki, Agren, Petterson, & Carravetta, 1999;Vairavamurthy, 1998;Von Busch, Hormes, Modrow, & Nestmann, 2003), e.g. with respect to the K-edge XANES spectra of sulphur, which has a valence shell which is iso-electronic to selenium.…”

Section: Resultssupporting

confidence: 90%

Investigation of different human pathogenic and food contaminating bacteria and moulds grown on selenite/selenate and tellurite/tellurate by X-ray absorption spectroscopy

et al. 2005

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Section: Resultssupporting

confidence: 90%

Investigation of different human pathogenic and food contaminating bacteria and moulds grown on selenite/selenate and tellurite/tellurate by X-ray absorption spectroscopy

et al. 2005

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“…A comparable number of studies employed DXAS or QEXAFS to monitor the evolution of phase composition and the short-range order structure of the materials during solid-gas reactions [60,61,62,63], solid-solid reactions [62,63,64,65,66], phase transformations [67,68,69,70], thermal treatments [71,72,73,74,75,76], and solid combustion syntheses [77]. The third largest fraction of investigations using TR-XAS falls in the area of electrochemistry, with a comparable number of studies employing DXAS [78,79,80] or conventional QEXAFS [81] or QEXAFS in the reflection mode [82,83].…”

Section: Applications Of Tr-xasmentioning

confidence: 99%

Application of time-resolved in-situ X-ray absorption spectroscopy in solid-state chemistry

Ressler

2003

Analytical and Bioanalytical Chemistry

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Time-resolved X-ray absorption spectroscopy (TR-XAS) possesses excellent capabilities to reveal quantitative phase composition and average valence together with the evolution of the local structure of a system under dynamic reaction conditions. The work discussed here focused on time-resolved in situ XAS investigations aiming, first, at understanding structural evolution under dynamic conditions and, second, at revealing properties of the system studied not available from investigations under stationary conditions. Hence, not only was the local structure of a material studied under reaction conditions, but also were characteristic properties of the reaction elucidated, such as reaction intermediates or the kinetics of the reaction. The solid-gas reactions presented here clearly demonstrate the potential of TR-XAS investigations to extend the suitability of XAS for in situ studies in solid-state chemistry to investigations under dynamic conditions.

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“…The S K-edge micro-XANES spectra from sample #4 are shown in Figure 9a and those from sample #12 in Figure 9b. The spectra all reveal the presence of sulfur in the form of a sulfate based on the position of the strong absorption feature above the edge (10).…”

Section: Figure 7 Normalized Micro-xanes Spectra Collected At the K-mentioning

confidence: 99%

X-ray Fluorescence Mapping and Micro-XANES Spectroscopic Characterization of Exhaust Particulates Emitted from Auto Engines Burning MMT-Added Gasoline

Mölders

Schilling

Wong

et al. 2001

Environ. Sci. Technol.

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The elemental distribution and compositional homogeneity in auto exhaust particulates emitted from methylcyclopentadienyl manganese tricarbonyl-(MMT-)added gasoline engines have been investigated using a newly installed synchrotron X-ray microprobe. Two representative groups of exhaust particulate matter, as defined in a recent bulk X-ray absorption fine structure (XAFS) spectroscopic study at the Mn K-edge, were studied. The micro-X-ray absorption near-edge structure (XANES) spectra indicate a relatively homogeneous distribution of phases within a given particulate sample, down to a spatial extent of 40 microm (the resolution of microprobe). The micro-XANES also enabled analysis of several areas which displayed compositions different from the bulk sample, supporting the general theory describing manganese species formation in the exhaust. The ability to evaluate small regions also enabled direct verification of manganese sulfate from the S XANES despite the vast excess of sulfur present in other forms. The presence of a chloride compound, introduced through the sample dilution air and engine intake air, was also revealed. The study demonstrates the value of the combined X-ray microfluorescence with excitation by polychromatic radiation for elemental mapping and micro-XANES spectroscopy for chemical speciation in the study of dilute environmental materials containing low-Z constituents such as Cl, S, and P.

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Sulfur K-shell photoabsorption spectroscopy of the sulfanes RSnR, n = 2–4

Cited by 63 publications

References 33 publications

Investigation of different human pathogenic and food contaminating bacteria and moulds grown on selenite/selenate and tellurite/tellurate by X-ray absorption spectroscopy

Investigation of different human pathogenic and food contaminating bacteria and moulds grown on selenite/selenate and tellurite/tellurate by X-ray absorption spectroscopy

Application of time-resolved in-situ X-ray absorption spectroscopy in solid-state chemistry

X-ray Fluorescence Mapping and Micro-XANES Spectroscopic Characterization of Exhaust Particulates Emitted from Auto Engines Burning MMT-Added Gasoline

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