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Determination of Light Elements on the Chem-X Multichannel Spectrometer

Published online by Cambridge University Press:  06 March 2019

Y.M. Gurvich ,
A. Buman  and
I. Lokshin
Y.M. Gurvich
Affiliation:
Bausch & Lomb 9545 Wentworth St. Sunland, CA 91040
A. Buman
Affiliation:
Bausch & Lomb 9545 Wentworth St. Sunland, CA 91040
I. Lokshin
Affiliation:
Bausch & Lomb 9545 Wentworth St. Sunland, CA 91040
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Extract

For X-ray fluorescence determination of light elements, vacuum X-rays spectrometers are usually used to increase the transmission of the optical path for the soft X-radiation. A vacuum of about 50μHg is required for the determination of elements with atomic numbers down to 9(F).

A vacuum system however, complicates the sample presentation mechanism of a spectrometer; it requires vacuum seals, additional fastening of the flow detector window and, as a results, increases the price of the spectrometer.

Type
VIII. XRF General Applications
Information
Advances in X-Ray Analysis , Volume 26: Thirty-First Annual Conference on Applications of X-ray Analysis, August 1-6, 1982 , 1982 , pp. 437 - 442
Copyright
Copyright © International Centre for Diffraction Data 1982

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References

1. Bertin, E. P., “Principles and Practice of X-Ray Spectrometric Analysis,” Second Edition, Plenum Press, W.Y. 1079 pp. (1975).Google Scholar
2. Lucas-Tooth, J., Adamson, B. W., Gurvich, Y. M., “The Analysis of Copper Alloys by Chem-X, Low Power WDX Multichannel Spectrometer,” Advances in X-Ray Analysis, V. 25" pp. 169-172, Plenum P ress, N.Y. (1981).Google Scholar
3. Burek, A. J., “Long Grating Spacing Crystals,” “Workshop on X-Ray Instrumentation for Synchrotron Radiation Research,” Stanford Linear Accelerator Center, April 3-5, 1978; pp. III/8-16.Google Scholar