ASTM C 1494 : 2013 : R2018
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 Test Methods for Determination of Mass Fraction of Carbon, Nitrogen, and Oxygen in Silicon Nitride Powder
Hardcopy , PDF
26-09-2024
English
01-10-2018
Important note : Users cannot be edited or removed once added to your Multi user PDF.| Committee |
C 28
|
| DocumentType |
Test Method
|
| Pages |
5
|
| PublisherName |
American Society for Testing and Materials
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
1.1These test methods cover the determination of mass fraction % of carbon, nitrogen, and oxygen in silicon nitride powder having chemical compositions within the following limits:
| Element | Mass Fraction % Range |
| Carbon | 0.05 to 5.0 |
| Nitrogen | 30 to 45 |
| Oxygen | 0.1 to 1.5 |
1.2Two test methods appear in this standard.
1.2.1Total Carbon by the Direct Combustion-Infrared Measurement Method.
1.2.2Nitrogen by the Inert Gas Fusion-Thermal Conductivity Measurement Method and Oxygen by the Inert Gas Fusion-Infrared Measurement Method.
1.3This 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. Specific hazard statements are given in Section 6.
1.4This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
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