Actions for Preparing rock powder specimens of controlled size distribution

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Preparing rock powder specimens of controlled size distribution

Author
Blum, P.
Published
Aug 1, 1968.
Physical Description
1 electronic document
Online Version

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Restrictions on Access
Unclassified, Unlimited, Publicly available.
Free-to-read Unrestricted online access
Summary
Apparatus produces rock powder specimens of the size distribution needed in geological sampling. By cutting grooves in the surface of the rock sample and then by milling these shallow, parallel ridges, the powder specimen is produced. Particle size distribution is controlled by changing the height and width of ridges.
Other Subject(s)
Collection
NASA Technical Reports Server (NTRS) Collection.
Note
Document ID: 19680000297.
Accession ID: 68B10297.
NPO-10007.
Terms of Use and Reproduction
No Copyright.
View MARC record | catkey: 16209801