ASTM E945-12
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Summary
1.1 This test method covers the determination of zinc in ores, concentrates, and related materials having chemical composition within the following limits:
| Element | Application Range, % |
| Zinc | 5.0 to 70.0 |
| Lead | 0.5 to 50.0 |
| Copper | 0.1 to 3.0 |
| Iron | 0.5 to 16.0 |
| Sulfur | 4.0 to 30.0 |
| Calcium | 0.1 to 20.0 |
| Magnesium | 0.1 to 10.0 |
| Cadmium | 0.1 to 8.0 |
| Arsenic | 0.01 to 1.0 |
| Antimony | 0.01 to 0.005 |
| Bismuth | 0.001 to 0.1 |
| Cobalt | 0.1 to 0.5 |
| Nickel | 0.3 to 3.0 |
| Silver | 0.00 to 150 oz/ton |
| Gold | 0.00 to 1.0 oz/ton |
Note 1—As used in this test method, percent or “%” refers to a mass fraction.
1.2 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.
Significance and Use:
This test method is primarily intended to test materials for compliance with compositional specifications. It is assumed that all who use this test method will be trained analysts working in properly equipped laboratories.
Appropriate quality control practices shall be followed such as those described in Guide E882.
Notes
Technical characteristics
| Publisher | American Society for Testing and Materials (ASTM International) |
| Publication Date | 06/01/2012 |
| Cancellation Date | 07/07/2021 |
| Collection | |
| Page Count | 4 |
| Themes | Other metalliferrous minerals |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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