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ASTM D5758-01

Current Revision

Standard Test Method for Determination of Relative Crystallinity of Zeolite ZSM-5 by X-Ray Diffraction

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1.1 This test method covers a procedure for determination of the relative crystallinity of zeolite ZSM-5 using selected peaks from the X-ray diffraction pattern of the zeolite.

1.2 The test method provides a number that is the ratio of intensity of a portion of the XRD pattern of the sample ZSM-5 to intensity of the corresponding portion of the pattern of a reference ZSM-5. The intensity ratio, expressed as a percentage, is then labeled percent XRD relative crystallinity/ZSM-5. This type of comparison is commonly used in zeolite technology and is often referred to as percent crystallinity.

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.


SDO ASTM: ASTM International
Document Number D5758
Publication Date March 10, 2001
Language en - English
Page Count 3
Revision Level 01
Supercedes
Committee D32.05
Publish Date Document Id Type View
March 10, 2001 D5758-01 Revision
June 1, 2021 D5758-01R21 Reaffirmation
Dec. 1, 2015 D5758-01R15 Reaffirmation
Oct. 1, 2011 D5758-01R11E01 Reaffirmation
April 1, 2007 D5758-01R07E01 Reaffirmation