Standard

ASTM D5357-03(2013)

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

45,14

About norm

Status Current
Number of pages 3
Committee D32.05
Published on 01-12-2013
Language English

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.

Details

ICS-code 71.040.30
Dutch title Standard Test Method for Determination of Relative Crystallinity of Zeolite Sodium A by X-ray Diffraction
English title Standard Test Method for Determination of Relative Crystallinity of Zeolite Sodium A by X-ray Diffraction

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