ASTM E371-99
- Standard Test Method for the Determination of Boron in Ferroboron
- standard by ASTM International, 01/01/1999
- Publisher: ASTM
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1.1 These test methods cover the chemical analysis of ferroboron having chemical compositions within the following limits:
| Element | Concentration, % |
| Aluminum | 2.00 max |
| Boron | 12.0-24.0 |
| Carbon | 1.50 max |
| Chromium | 0.75 max |
| Copper | 0.15 max |
| Lead | 0.01 max |
| Manganese | 1.00 max |
| Molybdenum | 1.50 max |
| Nickel | 0.10 max |
| Phosphorus | 0.06 max |
| Silicon | 4.00 max |
| Sulfur | 0.02 max |
1.2 The test methods in this standard are contained in the sections indicated below:
| Section | |
| Boron by the Ion-exchange Titrimetric Method (12 to 24 %) | 9 |
1.3This 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. Specific precautionary statements are given in Section 5 and in special "Warning" paragraphs throughout these test methods.
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