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

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.

General Information

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Published
Publication Date
31-Mar-2023
Technical Committee
Current Stage
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Standards Content (Sample)

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.
Designation: D5158 − 23
Standard Test Method for
Determination of Particle Size of Fine Mesh and Powdered
1
Activated Carbon by Air-Jet Sieving
This standard is issued under the fixed designation D5158; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope Determine the Precision of a Test Method
1.1 This test method covers the determination of the particle
3. Terminology
size of powdered activated carbons using an air-jet sieve
3.1 Definitions—Terms relating to this test method are
device. For purposes of this test method, powdered activated
defined in Terminology D2652.
carbon is defined as activated carbon in particle sizes predomi-
nantly in a range of 80 mesh (0.180 mm) through 500 mesh
4. Summary of Test Method
(0.025 mm).
4.1 A sample of fine mesh or powdered activated carbon is
1.2 The values stated in SI units are to be regarded as the
placed on a test sieve that is inserted in the sieve holder of the
standard. The inch-pound units given in parentheses are for
air-jet sieve assembly. Air is passed through the sieve from a
information only.
slowly rotating nozzle to fluidize the sample for a given period
1.3 This standard does not purport to address all of the
of time. Exit airflow removes undersized particles downward
safety concerns, if any, associated with its use. It is the
through the test sieve to a collection canister. The amount of
responsibility of the user of this standard to establish appro-
carbon retained on the test sieve is weighed and the percent
priate safety, health, and environmental practices and deter-
passing the test sieve is computed by difference. For a particle
mine the applicability of regulatory limitations prior to use.
size distribution, the test must be repeated using sieves with
1.4 This international standard was developed in accor-
different openings.
dance with internationally recognized principles on standard-
ization established in the Decision on Principles for the
5. Significance and Use
Development of International Standards, Guides and Recom-
5.1 The particle size of fine mesh and powdered activated
mendations issued by the World Trade Organization Technical
carbon is sometimes used to evaluate filter cake filtration rates
Barriers to Trade (TBT) Committee.
and the filter penetration in filtering applications.
2. Referenced Documents
5.2 The selection and handling of fine mesh or powdered
2
activated carbon, and operation of processes using fine mesh or
2.1 ASTM Standards:
powdered activated carbon, requires the knowledge of the
D2652 Terminology Relating to Activated Carbon
particle size.
D2867 Test Methods for Moisture in Activated Carbon
E11 Specification for Woven Wire Test Sieve Cloth and Test
5.3 This test method is intended for single sieve testing only.
Sieves
For determination of particle size distribution of a sample, the
E177 Practice for Use of the Terms Precision and Bias in
test must be repeated using sieves with different openings.
ASTM Test Methods
NOTE 1—Relative humidity (RH) can affect the repeatability and
E300 Practice for Sampling Industrial Chemicals
accuracy of this test. Activated carbon not at equilibrium with the RH of
E691 Practice for Conducting an Interlaboratory Study to
the ambient air may lose or gain weight accordingly, dependent upon
whether the carbon picks up or loses moisture.
1
This test method is under the jurisdiction of ASTM Committee D28 on 6. Apparatus
Activated Carbon and is the direct responsibility of Subcommittee D28.02 on Liquid
6.1 Air-Jet Sieve Assembly.
Phase Evaluation.
Current edition approved April 1, 2023. Published April 2023. Originally
6.2 Wire Cloth Sieves, bronze or stainless steel (stainless
approved in 1991. Last previous edition approved in 2019 as D5158 – 98 (2019).
steel sieves preferred), 80 mesh (0.180 mm) through 500 mesh
DOI: 10.1520/D5158-23.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or (0.025 mm) in accordance with Specification E11. The sieves
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
shall be 203 mm (8 in.) in diameter.
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. 6.3 Brush, soft bristle.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
D5158 − 23
NOTE 2—A 10 g sample has been satisfactory for some t
...

This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: D5158 − 98 (Reapproved 2019) D5158 − 23
Standard Test Method for
Determination of Particle Size of Fine Mesh and Powdered
1
Activated Carbon by Air-Jet Sieving
This standard is issued under the fixed designation D5158; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. 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 smaller than
80 mesh.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.
2. Referenced Documents
2
2.1 ASTM Standards:
D2652 Terminology Relating to Activated Carbon
D2867 Test Methods for Moisture in Activated Carbon
E11 Specification for Woven Wire Test Sieve Cloth and Test Sieves
E177 Practice for Use of the Terms Precision and Bias in ASTM Test Methods
E300 Practice for Sampling Industrial Chemicals
E691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
3. Terminology
3.1 Definitions—Terms relating to this test method are defined in Terminology D2652.
4. Summary of Test Method
4.1 A weighed sample of as-received fine mesh or powdered activated carbon is placed inon a test sieve that is inserted in the sieve
1
This test method is under the jurisdiction of ASTM Committee D28 on Activated Carbon and is the direct responsibility of Subcommittee D28.02 on Liquid Phase
Evaluation.
Current edition approved Aug. 1, 2019April 1, 2023. Published August 2019April 2023. Originally approved in 1991. Last previous edition approved in 20132019 as
D5158 – 98 (2013).(2019). DOI: 10.1520/D5158-98R19.10.1520/D5158-23.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
D5158 − 23
holder of the air-jet sieve assembly. Air is passed through the sieve from a slowly rotating nozzle to fluidize the sample for a given
period of time. Exit airflow removes undersized particles downward through the test sieve to a collection canister. The amount of
carbon retained on the test sieve is weighed and the percent passing the test sieve is computed by difference. For a particle size
distribution, the test must be repeated using sieves with different openings.
5. 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 The particle size of powdered activated carbon is sometimes used to evaluate filter cake filtration rates and the filter penetration
in filtering applications. The selection and handling of powdered activated carbon, and operation of processes using powdered
activated carbon, requires 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 accurac
...

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