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ASTM E439-17
M00022414
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ASTM E439-17 Standard Test Methods for Chemical Analysis of Beryllium
standard by ASTM International, 05/01/2017
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Full Description
1.1These test methods cover the chemical analysis of beryllium having chemical compositions within the following limits:
| Element | Range,% |
| Aluminum | 0.05 to 0.30 |
| Beryllium | 97.5 to 100 |
| Beryllium Oxide | 0.3 to 3 |
| Carbon | 0.05 to 0.30 |
| Copper | 0.005 to 0.10 |
| Chromium | 0.005 to 0.10 |
| Iron | 0.05 to 0.30 |
| Magnesium | 0.02 to 0.15 |
| Nickel | 0.005 to 0.10 |
| Silicon | 0.02 to 0.15 |
1.2The test methods in this standard are contained in the sections indicated below.
| Sections | |
| Chromium by the Diphenylcarbazide Spectrophotometric Test Method | 10 - 19 |
| Iron by the 1,10-Phenanthroline Spectrophotometric Test Method | 20 - 29 |
| Manganese by the Periodate Spectrophotometric Test Method | 30 - 39 |
| Nickel by the Dimethylglyoxime Spectrophotometric Test Method | 40 - 49 |
1.3The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.4This standard does not purport to address all of the safety problems, 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.
1.5This 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.