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ASTM E75-76(1996)
Standard Test Methods for Chemical Analysis of Copper-Nickel and Copper-Nickel-Zinc Alloys
Automaticky preložený názov:
Štandardné testovacie metódy pre Chemický rozbor Copper - niklu a medi - nikel - zinkové zliatiny
NORMA vydaná dňa 1.1.1996
Informácie o norme:
Označenie normy: ASTM E75-76(1996)
Poznámka: NEPLATNÁ
Dátum vydania normy: 1.1.1996
Kód tovaru: NS-47885
Počet strán: 7
Približná hmotnosť: 21 g (0.05 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Anotácia textu normy ASTM E75-76(1996) :
Keywords:
Cobalt content-Cu/Cu alloys, Cobalt content-Ni/Ni alloys, Copper alloys-chemical analysis, Copper-nickel alloys, Copper-nickel-zinc alloys, Iron content-Cu/Cu alloys, Iron content-Ni/Ni alloys, Lead content-Cu/Cu alloys, Manganese content-Cu/Cu alloys, chemical analysis of copper-nickel/copper-nickel-zinc alloys, methods, ICS Number Code 77.040.30 (Chemical analysis of metals), 77.120.30 (Copper and copper alloys)
Doplňujúce informácie
| 1. Scope | ||||||||||
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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 A 10 to 50 Zinc B 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 A Includes cobalt. B 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 2a Electrolytic Method Iron: Dichromate Method 38 to 40 Thiocyanate (Photometric) 2a Method Salicylate (Photometric) 2a Method Lead: Electrolytic Method 12 to 15 Sulfate Method 2b Manganese: Persulfate Method 2b Periodate (Photometric) 59 to 66 Method Nickel by the Dimethylglyoxime Method 2a Tin by the Iodimetric Titration Method 2b Zinc by the Oxide or Ferrocyanide Method 2a1.3 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. For precautions to be observed in these test methods, refer to Practices E50. |
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| 2. Referenced Documents | ||||||||||
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