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ASTM C1494-13(2024)

Historical Reaffirmation

Standard Test Methods for Determination of Mass Fraction of Carbon, Nitrogen, and Oxygen in Silicon Nitride Powder

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1.1 These 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

1.2 Two test methods appear in this standard:

1.2.1 Total Carbon by the Direct Combustion-Infrared Measurement Method.

1.2.2 Nitrogen by the Inert Gas Fusion-Thermal Conductivity Measurement Method and Oxygen by the Inert Gas Fusion-Infrared Measurement Method.

1.3 This 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.

1.4 This 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.


3.1 These test methods are for the chemical analysis of mass fraction of carbon, nitrogen, and oxygen in silicon nitride powder. They are used in research, development, production, acceptance, and quality control of silicon nitride powders used to produce ceramic components with silicon nitride content.

3.2 It is assumed that all who use these test methods will be trained analysts capable of performing common laboratory procedures skillfully and safely. It is expected that work will be performed in a properly equipped laboratory.

SDO ASTM: ASTM International
Document Number C1494
Publication Date Sept. 1, 2024
Language en - English
Page Count 5
Revision Level 13(2024)
Supercedes
Committee C28.03
Publish Date Document Id Type View
Aug. 1, 2013 C1494-13 Revision
April 10, 2001 C1494-01 Revision
Sept. 1, 2024 C1494-13R24 Reaffirmation
Oct. 1, 2018 C1494-13R18 Reaffirmation
Nov. 1, 2007 C1494-01R07 Reaffirmation