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ASTM International - ASTM D4824-13

Standard Test Method for Determination of Catalyst Acidity by Ammonia Chemisorption

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Organization: ASTM International
Publication Date: 1 April 2013
Status: inactive
Page Count: 3
ICS Code (Chemical reagents): 71.040.30
significance And Use:

5.1 This test method can be used to determine the acidity of catalysts and catalyst carriers by ammonia chemisorption for materials specifications, manufacturing control, and research and... View More

scope:

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 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

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 and health practices and determine the applicability of regulatory limitations prior to use.

Document History

November 1, 2018
Standard Test Method for Determination of Catalyst Acidity by Ammonia Chemisorption
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...
ASTM D4824-13
April 1, 2013
Standard Test Method for Determination of Catalyst Acidity by Ammonia Chemisorption
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...
April 1, 2008
Standard Test Method for Determination of Catalyst Acidity by Ammonia Chemisorption
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...
October 1, 2003
Standard Test Method for Determination of Catalyst Acidity by Ammonia Chemisorption
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...
October 10, 1999
Standard Test Method for Determination of Catalyst Acidity by Ammonia Chemisorption
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...
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