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ASTM D 4567 : 2003 : R2013

ASTM D 4567 : 2003 : R2013

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Standard Test Method for Single-Point Determination of Specific Surface Area of Catalysts and Catalyst Carriers Using Nitrogen Adsorption by Continuous Flow Method

Available format(s)

Hardcopy , PDF

Superseded date

09-09-2020

Language(s)

English

Published date

01-04-2013

Publisher

American Society for Testing and Materials

CONTAINED IN VOL. 05.05, 2015 Describes the single-point determination of the surface area of catalysts and catalyst carriers that exhibit Type 2 or Type 4 nitrogen adsorption isotherms using a nitrogen-helium flowing gas mixture.

1.1This test method covers the single-point determination of the surface area of catalysts and catalyst carriers that exhibit Type II or Type IV nitrogen adsorption isotherms using a nitrogen-helium flowing gas mixture. This test method is applicable for the determination of total surface areas from 0.1 to 300 m2, where rapid surface area determinations are desired.

1.2Because the single-point method uses an approximation of the BET equation, the multipoint BET method (Test Method D3663) is preferred to the single-point method.

Note 1—This is particularly true when testing microporous materials.

1.3The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.4This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of whoever uses this standard to consult and establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Committee
D 32
DocumentType
Test Method
Pages
4
ProductNote
Reconfirmed 2013
PublisherName
American Society for Testing and Materials
Status
Superseded
SupersededBy
Supersedes

ASTM E 177 : 2014 : REDLINE Standard Practice for Use of the Terms Precision and Bias in ASTM Test Methods

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PDF - English
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