1.1These test methods apply to the chemical analysis of refined nickel and other forms of metallic nickel having chemical compositions within the following limits:
| Element | Mass Fraction, % |
| | |
| Antimony, less than | 0.005 |
| Arsenic, less than | 0.005 |
| Bismuth, less than | 0.01 |
| Cadmium, less than | 0.0025 |
| Carbon, max | 0.03 |
| Cobalt, max | 1.00 |
| Copper, max | 1.00 |
| Hydrogen, max | 0.003 |
| Iron, max | 0.15 |
| Lead, less than | 0.01 |
| Manganese, less than | 0.20 |
| Nickel, min | 98.0 |
| Nitrogen, less than | 0.50 |
| Oxygen, less than | 0.03 |
| Phosphorus, less than | 0.005 |
| Selenium, less than | 0.0010 |
| Silicon, less than | 0.005 |
| Silver, less than | 0.01 |
| Sulfur, max | 0.01 |
| Tellurium, less than | 0.0010 |
| Thallium, less than | 0.0010 |
| Tin, less than | 0.005 |
| Zinc, less than | 0.015 |
1.2These test methods may be used to determine the following elements by the methods indicated below:
| Test Methods | Sections |
| | |
| Antimony, Arsenic, Bismuth, Cadmium, Lead, Selenium, Silver, Tellurium, Tin, and Thallium by the Graphite Furnace Atomic Absorption Spectrometric Method | 21 – 31 |
| | |
| Bismuth, Cadmium, Cobalt, Copper, Iron, Lead, Manganese, Silver, and Zinc by the Flame Atomic Absorption Spectrometric Method | 9 – 20 |
| | |
| Sulfur by the Methylene Blue Spectrophotometric Method After Generation of Hydrogen Sulfide | 32 – 42 |
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 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. For specific precautions, see Section 6.
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.