Combined x-ray diffraction and fluorescence spectroscopy apparat

Details Combined x-ray diffraction and fluorescence spectroscopy apparat Combined x-ray diffraction and fluorescence spectroscopy apparat

1979-07-30

1981-04-21

Smith, Alfred E.

Radiant energy

Coded record and readers; invisible radiant energy type

250277CH, G01N 2320

Patent

active

042635101

ABSTRACT:
The sensitivity of XRD-XRF apparatus for elements having atomic no. below 16 can be substantially increased by use of an environmentally controllable three-cylinder x-ray path chamber in combination with such apparatus. Use of the chamber has surprisingly been found to sufficiently increase the sensitivity so that element-identifying or characteristic lines of elements having atomic numbers at least as low as 10 can be measured by the improved XRD-XRF apparatus of this invention.

REFERENCES:
patent: 3105902 (1963-10-01), Ostrofsky et al.
Jenkins, "Interdependence of X-ray Diffraction & X-ray Fluorescence Data", Advances in X-ray Analysis, vol. 21, pp. 7-21, C. Barrett et al. editors.
Ciccaralli et al., "A Diffractometer Based Energy Dispersive Elemental Analyser", Advances in X-ray Analysis, vol. 22, McCarthy et al. ed., pp. 251-253.
Kirk-Othmer, Encyclopedia of Chemical Technology, 2nd ed., vol. 22, 1968, pp. 438-467.

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