Standard Test Method for Gamma Alumina Content in Catalysts Containing Silica and Alumina by X-ray Powder Diffraction

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Hardcopy , PDF

Superseded date

11-11-2014

Language(s)

English

Published date

01-04-2011

Publisher

American Society for Testing and Materials

Committee	D 32
DocumentType	Test Method
Pages	2
ProductNote	Reconfirmed 2011
PublisherName	American Society for Testing and Materials
Status	Superseded
SupersededBy	ASTM D 4926 : 2015
Supersedes	ASTM D 4926 : 2006

1.1 This test method covers the determination of gamma alumina and related transition aluminas in catalysts containing silica and alumina by X-ray powder diffraction, using the diffracted intensity of the peak occurring at about 67 °2θ when copper Kα radiation is employed.

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.

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ASTM D 4926 : 2006 : R2011

Standard Test Method for Gamma Alumina Content in Catalysts Containing Silica and Alumina by X-ray Powder Diffraction

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