ASTM D 4824 : 1994 : R1999
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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
11-11-2014
English
10-10-1999
Committee |
D 32
|
DocumentType |
Test Method
|
Pages |
3
|
PublisherName |
American Society for Testing and Materials
|
Status |
Superseded
|
SupersededBy |
1.1 This 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.
1.2 This standard does not purport to address all of the safety problems, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
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