ASTM E367-03
Historical Standard: ASTM E367-03 Standard Methods for Chemical Analysis of Ferroniobium
SUPERSEDED (see Active link, below)
ASTM E367
1. Scope
1.1 These methods cover the chemical analysis of ferroniobiun having chemical compositions within the following limits:
| Element | Concentration, % |
| Aluminum | 2.00 max |
| Carbon | 0.30 max |
| Chromium | 2.00 max |
| Cobalt | 0.25 max |
| Lead | 0.01 max |
| Manganese | 3.00 max |
| Niobium | 40.00 to 75.00 |
| Phosphorus | 0.05 max |
| Silicon | 4.00 max |
| Sulfur | 0.03 max |
| Tantalum | 7.00 max |
| Tin | 0.15 max |
| Titanium | 5.00 max |
| Tungsten | 0.50 max |
1.2 The methods appear in the following order:
| Sections | |
| Niobium, Tantalum, and Titanium by the | |
| Ion-Exchange Method | 10-31 |
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of whoever uses this standard to consult and establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Specific precautionary statements are given in Section 6.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
ASTM Standards
A550 Specification for Ferrocolumbium
E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
E32 Practices for Sampling Ferroalloys and Steel Additives for Determination of Chemical Composition
E50 Practices for Apparatus, Reagents, and Safety Considerations for Chemical Analysis of Metals, Ores, and Related Materials
E60 Practice for Analysis of Metals, Ores, and Related Materials by Spectrophotometry
E135 Terminology Relating to Analytical Chemistry for Metals, Ores, and Related Materials
E173 Practice for Conducting Interlaboratory Studies of Methods for Chemical Analysis of Metals
E1601 Practice for Conducting an Interlaboratory Study to Evaluate the Performance of an Analytical Method
Keywords
chemical analysis; ferroniobium; niobium; tantalum; titanium; Chemical analysis--metals/alloys; Columbium content--metals/alloys; Ferroalloys; Ferroniobium; Tantalum (Ta) content--metals/alloys; Titanium content--metals/alloys;
ICS Code
ICS Number Code 77.040.30 (Chemical analysis of metals)
DOI: 10.1520/E0367-03
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