ASTM E 945 : 2012 : REDLINE
Current
The latest, up-to-date edition.
Standard Test Method for Determination of Zinc in Zinc Ores and Concentrates by EDTA Complexometric Titrimetry
English
01-06-2012
Important note : Users cannot be edited or removed once added to your Multi user PDF.CONTAINED IN VOL. 03.05, 2014 Defines the determination of zinc in ores, concentrates, and related materials having chemical composition.
| Committee |
E 01
|
| DocumentType |
Redline
|
| Pages |
5
|
| PublisherName |
American Society for Testing and Materials
|
| Status |
Current
|
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.
| ASTM E 50 : 2017 : REDLINE | Standard Practices for Apparatus, Reagents, and Safety Considerations for Chemical Analysis of Metals, Ores, and Related Materials |
| ASTM E 1601 : 2012 : REDLINE | Standard Practice for Conducting an Interlaboratory Study to Evaluate the Performance of an Analytical Method |
| ASTM E 173 : 1993 | Practice for Conducting Interlaboratory Studies of Methods for Chemical Analysis of Metals (Withdrawn 1997) |
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