ASTM E1335 : 24

Standard Test Methods for Determination of Gold in Bullion by Fire Assay Cupellation Analysis

Standard Details

1.1 These 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

1.2 These 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

1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.4 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. For specific safety hazards, see Section 8.

1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International StandardDetails, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.