• There are no items in your cart

ASTM D 3906 : 2003 : R2013

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Standard Test Method for Determination of Relative X-ray Diffraction Intensities of Faujasite-Type Zeolite-Containing Materials
Available format(s)

Hardcopy , PDF

Superseded date

04-15-2019

Language(s)

English

Published date

12-01-2013

CONTAINED IN VOL. 05.05, 2015 Defines the determination of relative X-ray diffraction intensities of zeolites having the faujasite crystal structure, including synthetic Y and X zeolites, their modifications such as the various cation exchange forms, and the dealuminized, decationated, and ultrastable forms of Y.

1.1This test method covers the determination of relative X-ray diffraction intensities of zeolites having the faujasite crystal structure, including synthetic Y and X zeolites, their modifications such as the various cation exchange forms, and the dealuminized, decationated, and ultrastable forms of Y. These zeolites have cubic symmetry with a unit cell parameter usually within the limits of 24.2 and 25.0 ˚Å (2.42 and 2.50 nm).

1.2The samples include zeolite preparations in the various forms, and catalysts and adsorbents containing these zeolites.

1.3The term “intensity of an X-ray powder diffraction (XRD) peak” is the “integral intensity,” either the area of counts under the peak or the product of the peak height and the peak width.

1.4This 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, NaY. (Laboratories may use a modified Y or X, for example, REY as a secondary standard.) The intensity ratio, expressed as a percentage, is then labeled “% XRD intensity/NaY.”

1.5Under certain conditions such a ratio is the percent zeolite in the sample. These conditions include:

1.5.1The zeolite in the sample is the same as the reference zeolite.

1.5.2The absorption for the X-rays used is the same for the zeolite and the nonzeolite portions of the sample.

1.6This 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.

Committee
D 32
DocumentType
Test Method
Pages
7
ProductNote
Reconfirmed 2013
PublisherName
American Society for Testing and Materials
Status
Superseded
SupersededBy
Supersedes

ASTM D 5758 : 2001 : R2015 Standard Test Method for Determination of Relative Crystallinity of Zeolite ZSM-5 by X-Ray Diffraction
ASTM D 4365 : 2019 Standard Test Method for Determining Micropore Volume and Zeolite Area of a Catalyst
ASTM D 5357 : 2019 Standard Test Method for Determination of Relative Crystallinity of Zeolite Sodium A by X-ray Diffraction

ASTM E 177 : 2014 : REDLINE Standard Practice for Use of the Terms Precision and Bias in ASTM Test Methods

View more information
US$75.00
Excluding Tax where applicable

Access your standards online with a subscription

Features

  • Simple online access to standards, technical information and regulations.

  • Critical updates of standards and customisable alerts and notifications.

  • Multi-user online standards collection: secure, flexible and cost effective.