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ASTM International - ASTM D5357-03(2008)e1

Standard Test Method for Determination of Relative Crystallinity of Zeolite Sodium A by X-ray Diffraction

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Organization: ASTM International
Publication Date: 1 April 2008
Status: inactive
Page Count: 3
ICS Code (Chemical reagents): 71.040.30
significance And Use:

Zeolite NaA has been used as an active component in molecular sieves employed as desiccants for natural gas, process gas streams, sealed insulated windows, and as a builder (water softener) in... View More

scope:

1.1 This test method covers a procedure for determining the relative crystallinity of zeolite sodium A (zeolite NaA) using selected peaks from the X-ray diffraction pattern of the zeolite.

1.2 The term "intensity of an X-ray powder diffraction (XRD) peak" refers to the "integral intensity," either the area or counts under the peak or the product of the peak height and the peak width at half height.

1.3 This test method provides a number that is the ratio of intensity of portions of the XRD pattern of the sample to intensity of the corresponding portion of the pattern of a reference zeolite NaA. The intensity ratio, expressed as a percentage, is then labeled relative crystallinity of NaA.

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

1.5 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.

Document History

April 1, 2019
Standard Test Method for Determination of Relative Crystallinity of Zeolite Sodium A by X-ray Diffraction
1.1 This test method covers a procedure for determining the relative crystallinity of zeolite sodium A (zeolite NaA) using selected peaks from the X-ray diffraction pattern of the zeolite. 1.2 The...
December 1, 2013
Standard Test Method for Determination of Relative Crystallinity of Zeolite Sodium A by X-ray Diffraction
4.1 Zeolite NaA has been used as an active component in molecular sieves employed as desiccants for natural gas, process gas streams, sealed insulated windows, and as a builder (water softener) in...
ASTM D5357-03(2008)e1
April 1, 2008
Standard Test Method for Determination of Relative Crystallinity of Zeolite Sodium A by X-ray Diffraction
Zeolite NaA has been used as an active component in molecular sieves employed as desiccants for natural gas, process gas streams, sealed insulated windows, and as a builder (water softener) in...
March 10, 2003
Standard Test Method for Determination of Relative Crystallinity of Zeolite Sodium A by X-Ray Diffraction
Zeolite NaA has been used as an active component in molecular sieves employed as desiccants for natural gas, process gas streams, sealed insulated windows, and as a builder (water softener) in...
March 10, 1998
Standard Test Method for Determination of Relative Crystallinity of Zeolite Sodium A by X-Ray Diffraction
1.1 This test method covers a procedure for determining the relative crystallinity of zeolite sodium A (zeolite NaA) using selected peaks from the X-ray diffraction pattern of the zeolite. 1.2 The...
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