ASTM D8457-22

5.1This practice is intended for use in laboratories using labware for the preparation and analysis of samples collected for analysis for metals or metalloids, or both.

1.1This practice uses dilute nitric acid to clean glass and plastic labware used in laboratories preparing and analyzing samples for metal and metalloid content.

1.2The values stated in SI units are to be regarded as standard.

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.

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.