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Hlavní stránka>ASTM C1494-13R24 - Standard Test Methods for Determination of Mass Fraction of Carbon, Nitrogen, and Oxygen in Silicon Nitride Powder
Vydáno: 01.09.2024

ASTM C1494-13R24

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

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Označení normy:ASTM C1494-13R24
Vydáno:01.09.2024
Status:Active
Počet stran:5
Sekce:15.01
Označení:advanced ceramics; mass fraction of carbon; nitrogen; oxygen; silicon nitride powder;
Popis

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.