ASTM-D4780 2023

$34.13

D4780-23 Standard Test Method for Determination of Low Surface Area of Catalysts and Catalyst Carriers by Multipoint Krypton Adsorption

Published By	Publication Date	Number of Pages
ASTM	2023	5

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Categories: 71.040.30 - Chemical reagents, ASTM

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Description

ASTM D4780-23

Active Standard: Standard Test Method for Determination of Low Surface Area of Catalysts and Catalyst Carriers by Multipoint Krypton Adsorption

ASTM D4780

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 m²/g to 10 m²/g. A volumetric measuring system is used to obtain at least three data points which fall within the linear BET region.

1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this 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 and health practices and determine the applicability of regulatory limitations prior to use.

Keywords

catalysts; catalyst carriers; krypton adsorption;

ICS Code

ICS Number Code 71.040.30 (Chemical reagents)

DOI: 10.1520/D4780-23

Additional information

Standard Title	D4780-23 Standard Test Method for Determination of Low Surface Area of Catalysts and Catalyst Carriers by Multipoint Krypton Adsorption
Published Code	ASTM
Publication Date	2023
Pages Count	5
ICS Codes	71.040.30 - Chemical reagents