ASTM E1335-24 - Standard Test Methods for Determination of Gold in Bullion by Fire Assay Cupellation Analysis
Standard Test Methods for Determination of Gold in Bullion by Fire Assay Cupellation Analysis
| Standard number: | ASTM E1335-24 |
| Released: | 15.05.2024 |
| Status: | Active |
| Pages: | 7 |
| Section: | 03.05 |
| Keywords: | fire assay; gold in bullion; gold content; |
1.1 These test methods cover cupellation analysis of bullion having chemical compositions within the following limits:
| Element | Mass Fraction Range, % |
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|
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| 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:
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| Sections |
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|
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| 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 Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.