ASTM International - ASTM D4824-94(1999)
Standard Test Method for Determination of Catalyst Acidity by Ammonia Chemisorption
|Publication Date:||10 October 1999|
|ICS Code (Chemical reagents):||71.040.30|
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.