ASTM C 22/C22M : 2000 : R2015
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Standard Specification for Gypsum
Hardcopy , PDF
05-07-2021
English
06-10-2015
Important note : Users cannot be edited or removed once added to your Multi user PDF.CONTAINED IN VOL. 04.01, 2015 Describes gypsum, calcium sulfate combined with two molecules of water in crystalline form and having the approximate chemical formula CaSO[4] 2H[2]O.
| Committee |
C 11
|
| DevelopmentNote |
Supersedes ASTM C 22. (11/2005)
|
| DocumentType |
Standard
|
| Pages |
2
|
| ProductNote |
Reconfirmed 2015
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| PublisherName |
American Society for Testing and Materials
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| Status |
Superseded
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| SupersededBy | |
| Supersedes |
1.1This specification covers gypsum, calcium sulfate combined with two molecules of water in crystalline form and having the approximate chemical formula CaSO4·2H2O.
1.2The values stated in either inch-pound units or SI (metric) are to be regarded separately as the standard. Within the text, the SI units are shown in brackets. The values stated in each system shall be used independently of the other. Values from the two systems shall not be combined.
1.3The text of this specification references notes and footnotes which provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the specification.
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