ASTM International Standard Test Method for Acid-Insoluble Content of Copper and Iron Powders ASTM E194-20(2024)

1.1 This test method2 covers the determination of the mineral-acid-insolub le matter content of copper and iron powders in amounts under 1.0?%. 1.2 Units\u2014With the exception of the values for density and the mass used to determine density, for which the use of the gram per cubic centimetre (g/cm3) and gram (g) units is the longstanding industry practice, the values stated in SI units are to be regarded as standard. 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. 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.