Imaging Catalytic Surfaces by Multiplexed Capillary Electrophoresis With Absorption Detection

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Description

A new technique for in situ imaging and screening heterogeneous catalysts by using multiplexed capillary electrophoresis with absorption detection was developed. By bundling the inlets of a large number of capillaries, an imaging probe can be created that can be used to sample products formed directly from a catalytic surface with high spatial resolution. In this work, they used surfaces made of platinum, iron or gold wires as model catalytic surfaces for imaging. Various shapes were recorded including squares and triangles. Model catalytic surfaces consisting of both iron and platinum wires in the shape of a cross were also imaged ... continued below

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2000 Kilobytes pages

Creation Information

Christodoulou, Michael August 27, 2002.

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This thesis or dissertation is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. More information about this document can be viewed below.

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  • Ames Laboratory
    Publisher Info: Ames Lab., IA (United States)
    Place of Publication: Iowa

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Description

A new technique for in situ imaging and screening heterogeneous catalysts by using multiplexed capillary electrophoresis with absorption detection was developed. By bundling the inlets of a large number of capillaries, an imaging probe can be created that can be used to sample products formed directly from a catalytic surface with high spatial resolution. In this work, they used surfaces made of platinum, iron or gold wires as model catalytic surfaces for imaging. Various shapes were recorded including squares and triangles. Model catalytic surfaces consisting of both iron and platinum wires in the shape of a cross were also imaged successfully. Each of the two wires produced a different electrochemical product that was separated by capillary electrophoresis. Based on the collected data they were able to distinguish the products from each wire in the reconstructed image.

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2000 Kilobytes pages

Notes

OSTI as DE00804534

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  • Other Information: TH: Thesis (M.S.); Submitted to Iowa State Univ., Ames, IA (US)

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  • Report No.: IS-T 2033
  • Grant Number: W-7405-Eng-82
  • Office of Scientific & Technical Information Report Number: 804534
  • Archival Resource Key: ark:/67531/metadc743160

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Office of Scientific & Technical Information Technical Reports

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  • August 27, 2002

Added to The UNT Digital Library

  • Oct. 19, 2015, 7:39 p.m.

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  • Nov. 11, 2015, 6:42 p.m.

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Christodoulou, Michael. Imaging Catalytic Surfaces by Multiplexed Capillary Electrophoresis With Absorption Detection, thesis or dissertation, August 27, 2002; Iowa. (digital.library.unt.edu/ark:/67531/metadc743160/: accessed September 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.