ASTM D 4824 : 2013 : R2018
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
Standard Test Method for Determination of Catalyst Acidity by Ammonia Chemisorption
Hardcopy , PDF
27-02-2024
English
11-12-2018
Important note : Users cannot be edited or removed once added to your Multi user PDF.| Committee |
D 32
|
| DocumentType |
Test Method
|
| Pages |
3
|
| PublisherName |
American Society for Testing and Materials
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
1.1This test method covers the determination of acidity of catalysts and catalyst carriers by ammonia chemisorption. A volumetric measuring system is used to obtain the amount of chemisorbed ammonia.
1.2The values stated in SI units are to be regarded as standard. The values given in parentheses after SI units are provided for information only and are not considered standard.
1.3This 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.
1.4This 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.
| ASTM D 3766 : 2008 : R2018 | Standard Terminology Relating to Catalysts and Catalysis |
| ASTM E 691 : 2020 | Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method |
| ASTM E 691 : 2019 : EDT 1 | Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method |
| ASTM E 691 : 2023 | Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method |
| ASTM D 3766 : 2024 | Standard Terminology Relating to Catalysts and Catalysis |
| ASTM E 691 : 2022 | Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method |
| ASTM E 691 : 2009 | Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method |
| ASTM E 691 : 2021 | Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method |
| ASTM D 3766 : 1986 : R1997 | Standard Terminology Relating to Catalysts and Catalysis |
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.