ASTM D5357 - 19 - Standard Test Method for Determination of Relative Crystallinity of Zeolite Sodium A by X-ray Diffraction

ASTM D5357 - 19

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

Status : Current   Published : April 2019

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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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.6  This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.




Standard NumberASTM D5357 - 19
TitleStandard Test Method for Determination of Relative Crystallinity of Zeolite Sodium A by X-ray Diffraction
StatusCurrent
Publication Date01 April 2019
Normative References(Required to achieve compliance to this standard)No other standards are normatively referenced
Informative References(Provided for Information)No other standards are informatively referenced
Descriptors crystallinity, X-ray diffraction, zeolite sodium A
ICS71.040.30
PublisherASTM
FormatA4
DeliveryYes
Pages3
File Size94 KB
Price£36.00


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