ASTM D4180-13(2018)
- Standard Test Method for Vibratory Packing Density of Formed Catalyst Particles and Catalyst Carriers
- standard by ASTM International, 05/01/2018
- Category: ASTM
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1.1 This test method covers the determination of the vibratory packing density of formed catalyst and catalyst carriers. For the purpose of this test, catalyst particles are defined as extrudates, spheres, or formed pellets of 0.8 to 4.8-mm (1/32 to ³/16-in.) nominal diameter.

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ASTM D211-67(2019)
Standard Specification for Chrome Yellow and Chrome Orange Pigments..
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