Apparatus for determining grain size
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United States of America Patent
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Jul 5, 1988
Grant Date -
N/A
app pub date -
Jun 5, 1986
filing date -
Jun 7, 1985
priority date (Note) -
Expired
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Abstract
An apparatus for determining grain size distribution patterns of particles for selected measuring ranges, wherein a specimen cell (15) is arranged in a convergent monochromatic light beam (4) and the produced diffraction patterns (5a, 6a, 7a) are received by a photo detector. By altering the spacing of the specimen cell (15) from the photo detector (44), the measuring range can be selected for differing grain sizes.
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