Electron paramagnetic resonance, scanning electron microscopy with energy dispersion X-ray spectrometry, X-ray powder diffraction, and NMR characterization of iron-rich fired clays
Article Abstract:
The structure of iron-rich clay and the structural changes involved in the firing process as a preliminary step to get information on ancient ceramic technology using a multi-technique approach, by paramagnetic resonance, scanning electron microscopy with electron dispersion X-ray spectroscopy is clarified. The study reveals that the due to the firing four main reactions occur and over the whole temperature range the presence of at least two tetrahedral aluminum existed.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2005
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Scanning electrochemical microscopy #54. Application to the study of heterogeneous catalytic reactions--hydrogen peroxide decomposition
Article Abstract:
The use of scanning electrochemical microscopy (SECM) operating with an asymmetric feedback loop is demonstrated to study heterogeneous chemical reactions in liquid solutions. The results from digital simulations verified that even when there is an asymmetry between the reactions at the tip and at the substrate a steady-state feedback process is reached.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2005
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Recoverable solution reaction of HiPco carbon nanotubes with hydrogen peroxide
Article Abstract:
A study on the reaction of H2O2 with an aqueous suspension of water-soluble (ws) HiPco single-walled carbon nanotubes (SWNTs) encased in the surfactant sodium dodecyl sulfate (SDS) was conducted. The results revealed that H2O2 withdraws electron from the SWNT valence band by charge transfer that suppresses the nanotube spectral intensity.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2005
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