铍化学分析的标准试验方法
详细信息
- 中文主题词：金属 ; 化学分析和试验 ; 分析 ; 铍
- 标准号：ASTM E439-2004
- 发布日期：2004
- 英文题名：Standard Test Methods for Chemical Analysis of Beryllium
- 英文主题词：beryllium ; chromium ; iron ; manganese ; nickel
- 标准状态：现行
- 发布单位：US-ASTM
- 国际标准分类号：77.040.30 (Chemical analysis of metals); 77.120.99 (Other non-ferrous metals and their alloys)
- 载体形态：7P.;A4
- 中国标准分类号：H14
- 国别：美国材料与试验协会
文摘
1.1 These test methods cover the chemical analysis of beryllium having chemical compositions within the following limits:
| Concentration | |
| 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 |
1.2 The test methods in this standard are contained in the sections indicated below.
| Sections | |
| Chromium by the Diphenylcarbazide Photometric Test Method [0.004 to 0.04 %] | 10-19 |
| Iron by the 1,10-Phenanthroline Photometric Test Method [0.05 to 0.25 %] | 20-29 |
| Manganese by the Periodate Photometric Test Method [0.08 to 0.04 %] | 30-39 |
| Nickel by the Dimethylglyoxime Photometric Test Method [0.001 to 0.04 %] | 40-49 |
1.3 This 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.