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Work Item

ASTM WK92394

New Guide for Carbon Monoxide Chemisorption on Supported Platinum on Alumina Catalysts Using Static Vacuum Method

1. Scope
This test method complements the static vacuum hydrogen chemisorption method, D 3908. This method is most useful as screening tools to measure relative dispersions of platinum on an alumina support. It may be extended to other supported metal systems provided that the user exercises care in optimizing the pretreatment and measurement conditions for the catalyst being tested.
Keywords
Dispersion; Loading; Stoichiometry
Rationale

The static vacuum CO chemisorption method is most useful as a screening tool to measure relative dispersions of platinum on an alumina support. It may be extended to other supported metal systems provided that the user exercises care in optimizing the pretreatment and measurement conditions for the catalyst being tested. The method shall prove beneficial to users of metal-supported catalysts for research and quality control applications.

Details

Developed by Subcommittee: D32.01

Committee: D32

Staff Manager: Kelly Paul

Work Item Status

Date Initiated: 09-28-2024

Technical Contact: Carlos Leon y Leon

Item: 000

Ballot: 

Status: 

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