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Capillaries prepared from thin-walled heat-shrink poly(ethylene terephthalate) (PET) tubing for X-ray powder diffraction analysis

Published online by Cambridge University Press:  01 March 2012

Joseph H. Reibenspies  and
Nattamai Bhuvanesh
Joseph H. Reibenspies
Affiliation:
Department of Chemistry, Texas A & M University, College Station, Texas 77843-3255
Nattamai Bhuvanesh
Affiliation:
Department of Chemistry, Texas A & M University, College Station, Texas 77843-3255
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Abstract

Thin-walled heat-shrink poly(ethylene terephthalate) (PET) tubing is reported for use as an alternative for glass and Kapton® capillaries. PET tubing displays properties such as low X-ray absorption and smooth diffraction profiles. The 2.0 mm thin-walled (0.05 mm thick) and 0.5 mm thin-walled (0.02 mm thick) heat-shrink PET capillaries are 86% and 96% transparent to 1.54 Å X-rays. The low X-ray absorption and relatively smooth X-ray scattering profile of PET make it an ideal material for the home laboratory where the long wavelength, low flux, and low brilliance X-ray sources are employed. PET capillaries can be easily cut and manipulated and fixed to copper pins, which in turn can be employed in low-temperature and automated data collection routines.

Keywords

powder sample mountcapillarypoly(ethylene terephthalate)PET
Type
Laboratory Notes
Information
Powder Diffraction , Volume 21 , Issue 4 , December 2006 , pp. 323 - 325
Copyright
Copyright © Cambridge University Press 2006

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