ASTM D 934 : 2013 : REDLINE
Current
The latest, up-to-date edition.
Standard Practices for Identification of Crystalline Compounds in Water-Formed Deposits By X-Ray Diffraction (Withdrawn 2022)
English
03-11-2013
Important note : All end users must be registered with an Account prior to user licenses being assigned.CONTAINED IN VOL. 11.02, 2018 Gives for X-ray diffraction analysis of powdered crystalline compounds in water-formed deposits.
| Committee |
D 19
|
| DocumentType |
Redline
|
| Pages |
11
|
| PublisherName |
American Society for Testing and Materials
|
| Status |
Current
|
1.1These practices provide for X-ray diffraction analysis of powdered crystalline compounds in water-formed deposits. Two are given as follows:
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.
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