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ASTM D5158-23

Standard Test Method for Determination of Particle Size of Fine Mesh and Powdered Activated Carbon by Air-Jet Sieving

Standard Test Method for Determination of Particle Size of Fine Mesh and Powdered Activated Carbon by Air-Jet Sieving D5158-23 ASTM|D5158-23|en-US Standard Test Method for Determination of Particle Size of Fine Mesh and Powdered Activated Carbon by Air-Jet Sieving Standard new BOS Vol. 15.01 Committee D28
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Significance and Use

5.1 The particle size of fine mesh and powdered activated carbon is sometimes used to evaluate filter cake filtration rates and the filter penetration in filtering applications.

5.2 The selection and handling of fine mesh or powdered activated carbon, and operation of processes using fine mesh or powdered activated carbon, requires the knowledge of the particle size.

5.3 This test method is intended for single sieve testing only. For determination of particle size distribution of a sample, the test must be repeated using sieves with different openings.

Note 1: Relative humidity (RH) can affect the repeatability and accuracy of this test. Activated carbon not at equilibrium with the RH of the ambient air may lose or gain weight accordingly, dependent upon whether the carbon picks up or loses moisture.

Scope

1.1 This test method covers the determination of the particle size of powdered activated carbons using an air-jet sieve device. For purposes of this test method, powdered activated carbon is defined as activated carbon in particle sizes predominantly in a range of 80 mesh (0.180 mm) through 500 mesh (0.025 mm).

1.2 The values stated in SI units are to be regarded as the standard. The inch-pound units given in parentheses are for information only.

1.3 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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Details
Book of Standards Volume: 15.01
Developed by Subcommittee: D28.02
Pages: 4
DOI: 10.1520/D5158-23
ICS Code: 19.120; 71.040.30