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Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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.
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