Standard Practices for Identification of Crystalline Compounds in Water-Formed Deposits By X-Ray Diffraction (Withdrawn 2022)

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PDF

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English

Published date

11-03-2013

Publisher

American Society for Testing and Materials

CONTAINED IN VOL. 11.02, 2018 Gives for X-ray diffraction analysis of powdered crystalline compounds in water-formed deposits.

1.1These practices provide for X-ray diffraction analysis of powdered crystalline compounds in water-formed deposits. Two are given as follows:

	Sections
Practice A—Camera	12 to 21
Practice B—Diffractometer	22 to 30

1.2Both practices yield qualitative identification of crystalline components of water-formed deposits for which X-ray diffraction data are available or can be obtained. Greater difficulty is encountered in identification when the number of crystalline components increases.

1.3Amorphous phases cannot be identified without special treatment. Oils, greases, and most organic decomposition products are not identifiable.

1.4The sensitivity for a given component varies with a combination of such factors as density, degree of crystallization, particle size, coincidence of strong lines of components and the kind and arrangement of the atoms of the components. Minimum percentages for identification may therefore range from 1 to 40 %.

1.5The values stated in SI units are to be regarded as standard. The values listed in parenthesis are for information only.

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 consult and establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Specific precautionary statements are given in Section 8 and Note 20.

Committee	D 19
DocumentType	Redline
Pages	11
PublisherName	American Society for Testing and Materials
Status	Current

ASTM D 2790 : 1983	Methods of Analysis of Solvent Systems Used for Removal of Water-Formed Deposits (Withdrawn 1993)
MIL-C-22230 Revision B:1987	CLEANING COMPOUND, FUEL TANK AND BILGE
ASTM D 2331 : 2008	Standard Practices for Preparation and Preliminary Testing of Water-Formed Deposits
ASTM D 287 : 1992 : R2006	Standard Test Method for API Gravity of Crude Petroleum and Petroleum Products (Hydrometer Method)
ASTM D 887 : 2013 : REDLINE	Standard Practices for Sampling Water-Formed Deposits
ASTM D 2331 : 2008 : R2013	Standard Practices for Preparation and Preliminary Testing of Water-Formed Deposits
ASTM D 2868 : 2010	Standard Test Method for Nitrogen Content (Kjeldahl) and Hide Substance Content of Leather

ASTM D 887 : 2013 : REDLINE	Standard Practices for Sampling Water-Formed Deposits
ASTM D 1129 : 2013 : REDLINE	Standard Terminology Relating to Water
ASTM E 11 : 2017 : REDLINE	Standard Specification for Woven Wire Test Sieve Cloth and Test Sieves

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ASTM D 934 : 2013 : REDLINE

Current

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