ASTM-D4780 Historical Revision Information
Standard Test Method for Determination of Low Surface Area of Catalysts by Multipoint Krypton Adsorption

ASTM-D4780 - 1995 EDITION - SUPERSEDED
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Standard Test Method for Determination of Low Surface Area of Catalysts and Catalyst Carriers by Multipoint Krypton Adsorption
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Scope

1.1 This test method covers the determination of the specific surface area of catalysts and catalyst carriers in the range from 0.05 to 10 m/g. A volumetric measuring system is used to obtain at least three data points which fall within the linear BET region.

1.2 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 and health practices and determine the applicability of regulatory limitations prior to use.

Keywords

adsorption-petroleum products/applications

To find similar documents by ASTM Volume:

05.05 (Combustion Characteristics; Manufactured Carbon and Graphite Products; Catalysts)

05.06 (Gaseous Fuels; Coal and Coke)

To find similar documents by classification:

71.040.30 (Chemical reagents Including reference materials)

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Document Number

ASTM-D4780-95

Revision Level

1995 EDITION

Status

Superseded

Modification Type

Revision

Publication Date

Aug. 15, 1995

Document Type

Test Method

Page Count

5 pages

Committee Number

D32.01