Letter | Published:

Effect of Particle-Size on the Quantitative Determination of Quartz by X-ray Diffraction

Naturevolume 175page1135 (1955) | Download Citation



A GEIGER–MÜLLER counter X-ray diffractometer has been built in this laboratory1 for the quantitative analysis of mineral dusts. One of the first tasks of this apparatus was the measurement of quartz content in airborne dusts, lung residues and similar material arising in silicosis research. It was therefore necessary to examine the accuracy with which such determinations can be made, and in particular the effect on their accuracy of the particle-size of the quartz.

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  1. 1

    Arndt, U. W., and Nelson, J. B., Brit. J. App. Phys., 5, 417 (1954). Gordon, R. L., and Harris, G. W., Safety in Mines Research Establishment Research Report No. 137 (in preparation).

  2. 2

    Nagelschmidt, G., Gordon, R. L., and Griffin, O. G., Nature, 169, 539 (1952). Gordon, R. L., Griffin, O. G., and Nagelschmidt, G., Safety in Mines Research Establishment Research Report No. 62 (1952).

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  1. Safety in Mines Research Establishment, Sheffield, 1

    • R. L. GORDON
    •  & G. W. HARRIS


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