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Microtomy of Large Particle Zeolites for Tem

Published online by Cambridge University Press:  16 February 2011

J. G. Ulan ,
C. Schooley  and
R. Gronsky
J. G. Ulan
Affiliation:
National Centerfor Electron Microscopy, Materials and Chemical Science Division, Lawrence Berkeley Laboratory, 1 Cyclotron Rd. Berkeley California 94720
C. Schooley
Affiliation:
University of California, Berkeley, Electron Microscope Laboratory, 26 Giannini Hall, Berkeley, California 94720
R. Gronsky
Affiliation:
National Centerfor Electron Microscopy, Materials and Chemical Science Division, Lawrence Berkeley Laboratory, 1 Cyclotron Rd. Berkeley California 94720
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Abstract

Uniformly thin specimens of powders, suitable for electron microscopy, can be prepared by ultramicrotomy. There is a size limit to the particles that can be studied since larger particles tend to be dislodged from the available resins when microtomed. A method is described to strengthen the binding of the organic resin to the inorganic zeolite, allowing large particles to be sectioned. The particle size limit increased from 3 μm to greater than 20 gim in diameter for FeZSM-5 aggregates. This method can be applied to a variety of oxide powder samples, extending the utility of microtomy as a materials science tool.

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References

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