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ASTM D4481-21

Current Revision

Standard Test Method for Total Nickel in Fresh Alumina-Base Catalysts

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1.1 This test method covers the determination of nickel in fresh alumina-base catalysts and has been tested at nickel concentrations from 2.5 to 60 weight %, expressed as nickel oxide (NiO).

1.2 Units—The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

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.


4.1 This test method sets forth a procedure by which catalyst samples can be compared either on an interlaboratory or intralaboratory basis. It is anticipated that catalyst producers and users will find this method of value.

SDO ASTM: ASTM International
Document Number D4481
Publication Date June 1, 2021
Language en - English
Page Count 4
Revision Level 21
Supercedes
Committee D32.03
Publish Date Document Id Type View
June 1, 2021 D4481-21 Revision
April 1, 2010 D4481-10 Revision
April 1, 2004 D4481-04 Revision
Jan. 1, 1997 D4481-97 Revision
Dec. 1, 2015 D4481-10R15 Reaffirmation