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ASTM E75 PDF
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Standard Test Methods for Chemical Analysis of Copper-Nickel and Copper-Nickel-Zinc Alloys (Withdrawn 2010)
| Published by | Publication Date | Number of Pages |
| ASTM | 06/01/2004 | 7 |
ASTM E75 – Standard Test Methods for Chemical Analysis of Copper-Nickel and Copper-Nickel-Zinc Alloys (Withdrawn 2010)
1.1 These test methods cover procedures for the chemical analysis of copper-nickel and copper-nickel-zinc alloys having chemical compositions within the following limits:
| Element | Concentration Range,% |
| Copper | 40 and over |
| Nickel | 10 to 50 |
| Zinc | 0 to 40 |
| Lead | 0 to 15 |
| Tin | 0 to 10 |
| Iron | 0.00 to 2 |
| Manganese | 0.00 to 2 |
| Cobalt | 0.00 to 0.5 |
Includes cobalt.
In the case of copper-base alloys containing 5 % and over of zinc, the zinc is usually calculated by difference.
Whenever possible the technique and procedures for analysis should be checked against a National Institute of Standards and Technology standard sample having a composition comparable to the material being analyzed.
1.2 The test methods appear in the following order:
| Sections | |
| Cobalt: | |
| Alpha-Nitroso-Beta-Naphthol Method | 26 to 28 |
| Nitroso-R-Salt (Photometric) Method | 29 to 37 |
| Copper, or Copper and Lead Simultaneously, by the Electrolytic Method | ²a |
| Iron: | |
| Dichromate Method | 38 to 40 |
| Thiocyanate (Photometric)Method | ²a |
| Salicylate (Photometric)Method | ²a |
| Lead: | |
| Electrolytic Method | 12 to 15 |
| Sulfate Method | ² b |
| Manganese: | |
| Persulfate Method | ² b |
| Periodate (Photometric)Method | 59 to 66 |
| Nickel by the Dimethylglyoxime Method | ²a |
| Tin by the Iodimetric Titration Method | ²b |
| Zinc by the Oxide or Ferrocyanide Method | 2a |
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 the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. For precautions to be observed in these test methods, refer to Practices E 50.
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