ASTM E 945 : 2012
Current
The latest, up-to-date edition.
Standard Test Method for Determination of Zinc in Zinc Ores and Concentrates by EDTA Complexometric Titrimetry (Withdrawn 2021)
Hardcopy , PDF
English
12-07-2012
Important note : Users cannot be edited or removed once added to your Multi user PDF.1.1 This test method covers the determination of zinc in ores, concentrates, and related materials having chemical composition within the following limits.
| Committee |
E 01
|
| DocumentType |
Test Method
|
| Pages |
4
|
| PublisherName |
American Society for Testing and Materials
|
| Status |
Current
|
| Supersedes |
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.
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