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Standard Test Methods for Determination of Gold in Bullion by Cupellation
1.1 These test methods cover cupellation analysis of bullion having chemical compositions within the following limits:
| Element | Concentration Range, % |
| Gold | 0.5 to 4.0 and 20.0 to 99.0 |
| 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 | |
| 20.0-99.0 % gold | |
| 0.5-4.0 % gold | |
| 98.9-99.8 % gold |
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 and health practices and determine the applicability of regulatory limitations prior to use. For specific safety hazards, see Section 8.
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