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Particle-size analysis results for a variety of natural and man-made materials used to assess the precision and accuracy of laboratory laser-diffraction particle-size analysis of fluvial sediment

Published by U.S. Geological Survey | Department of the Interior | Metadata Last Checked: July 18, 2025 | Last Modified: 20200827
The dataset documents results from testing of 1) vendor-supplied reference materials 2) NIST-traceable polysidperse glass bead reference materials 3) mixtures of commercially-available glass beads 4) mixtures of internal reference materials prepared from geologic material

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