ASTM E1335-24 PDF
1.1These test methods cover cupellation analysis of bullion having chemical compositions within the following limits:
Element Mass Fraction Range, % Gold 0.5 to 4.0 and 20.0 to 99.8 Silver 1.0 to 99.5 Total gold plus silver 75.0 to 100.0
1.2These test methods appear in the following order:
Sections Test Method A 20.0 % – 99.0 % gold 10 – 16 Test Method B 0.5 % – 4.0 % gold 17 – 21 Test Method C 98.9 % – 99.8 % gold 22 – 28
1.3The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.4This 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. For specific safety hazards, see Section 8.
1.5This 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.