ASTM D4824 - 13(2018) - Standard Test Method for Determination of Catalyst Acidity by Ammonia Chemisorption

ASTM D4824 - 13(2018)

Standard Test Method for Determination of Catalyst Acidity by Ammonia Chemisorption

Status : Current   Published : November 2018

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HARDCOPY



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 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.




Standard NumberASTM D4824 - 13(2018)
TitleStandard Test Method for Determination of Catalyst Acidity by Ammonia Chemisorption
StatusCurrent
Publication Date01 November 2018
Normative References(Required to achieve compliance to this standard)No other standards are normatively referenced
Informative References(Provided for Information)No other standards are informatively referenced
Descriptors catalysts, nitrogen adsorption, pore size distribution
ICS71.040.30
PublisherASTM
FormatA4
DeliveryYes
Pages3
File Size98 KB
Price£36.00


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