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ASTM D4824-24

contributor authorASTM - ASTM International
date accessioned2025-09-30T17:58:50Z
date available2025-09-30T17:58:50Z
date copyright2024
date issued2024
identifier otherd4824-24.pdf
identifier urihttps://yse.yabesh.ir/std/handle/yse/340782
description abstract5.1 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 development in the evaluation of catalysts.
languageEnglish
titleStandard Test Method for Determination of Catalyst Acidity by Ammonia Chemisorptionen
titleASTM D4824-24num
typestandard
statusActive
treeASTM - ASTM International:;2024
contenttypefulltext
scope1.1 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 standard. The values given in parentheses after SI units are provided for information only and are not considered standard. 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
identifier DOI10.1520/D4824-24


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