ASTM D 4824 : 2013
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Standard Test Method for Determination of Catalyst Acidity by Ammonia Chemisorption
Hardcopy , PDF
26-02-2024
English
01-04-2013
1.1 This test method covers the determination of acidity of catalysts and catalyst carriers by ammonia chemisorption.
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Superseded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 the standard. The values given in parentheses are for information only.
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