ASTM-D4780 2012

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D4780-12 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	2012	5

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Categories: 71.040.30 - Chemical reagents, ASTM

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Description

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 ² /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.

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents Terminology Summary of Test Method Significance and Use
2	Apparatus Reagents Procedure—Sample Preparation and Degassing FIG. 1
3	Procedure—Dead-Space Determination Procedure—Krypton Adsorption Calculation
4	Report Precision and Bias Keywords
5	REFERENCES

Additional information

Standard Title	D4780-12 Standard Test Method for Determination of Low Surface Area of Catalysts and Catalyst Carriers by Multipoint Krypton Adsorption
Published Code	ASTM
Publication Date	2012
Pages Count	5
ICS Codes	71.040.30 - Chemical reagents

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ASTM-D4780 2012

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