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ASTM WK40585

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Work Item: ASTM WK40585 - Revision of D4824 - 03(2008) Standard Test Method for Determination of Catalyst Acidity by Ammonia Chemisorption


Active Standard: D4824 - 03(2008)

Developed by Subcommittee: D32.01 | Committee D32 Home | Contact Staff Manager



1. Rationale

Suggested changes for clarification, wording conformity with similar D32 methods and to retain method in active status.

Keywords

catalysts; nitrogen adsorption; pore size distribution; Acidity, alkalinity, pH--petroleum products; Ammonia test; Catalysts/catalyst carriers; Chemisorption; Nitrogen adsorption; Pore size characteristics/analysis; Sorption capacity/rate; Volumetric measurement; Zeolite catalysts;

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Work Item Status:
Date Initiated:01-23-2013
Technical Contact: Jeffrey Elks

Item: 003
Ballot: D32 (13-02)
Status: Ballot Item Approved as D4824-2013 and Pending Publication

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