ASTM B 822 Standard Test Method for Particle Size Distribution of Metal Powders and Related Compounds by Light Scattering
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ASTM B 822 Document Information:
Title
Standard Test Method for Particle Size Distribution of Metal Powders and Related Compounds by Light Scattering
ASTM International
Publication Date:
Apr 10, 2002
Scope:
This test method covers the determination of the particle size
distribution by light scattering,
reported as volume percent, of particulate materials including metals
and compounds.
This test method applies to analyses with both aqueous and nonaqueous
dispersions. In addition,
analysis can be performed with a gaseous dispersion for materials that
are hygroscopic or react
with a liquid carrier.
This test method is applicable to the measurement of particulate
materials in the range of 0.4 to
2000 µm, or a subset of that range, as applicable to the
particle size distribution being
measured.
The values stated in SI units are to be regarded as the standard.
This standard does not purport to address all of the safety concerns,
if any, associated with its
use. It is the responsibility of the user of this standard to
establish appropriate safety and
health practices and determine the applicability of regulatory
limitations prior to use.
Keywords:
- laser diffraction
- light scattering
- metal powders
- particle size distribution
- powder metallurgy
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