ASTM-E75 1996

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E75-76(1996) Standard Test Methods for Chemical Analysis of Copper-Nickel and Copper-Nickel-Zinc Alloys

Published By	Publication Date	Number of Pages
ASTM	1996	7

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Categories: 77.040.30 - Chemical analysis of metals, ASTM

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Description

ASTM E75-76-Reapproved1996

Historical Standard: Standard Test Methods for Chemical Analysis of Copper-Nickel and Copper-Nickel-Zinc Alloys

ASTM E75

Scope

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 2a

1.3 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.

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 Code

ICS Number Code 77.040.30 (Chemical analysis of metals)

DOI: 10.1520/E0075-76R96

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents Significance and Use Apparatus and Reagents
2	Photometric Practice Sampling Rounding Calculated Values Apparatus Reagents Procedure for Alloys Containing Under 6 % of Lead
3	Precision and Bias Apparatus Procedure for Alloys Containing Under 0.05 % of Tin Procedure for Alloys Containing 0.05 % and Over of Tin Precision and Bias

Additional information

Standard Title	E75-76(1996) Standard Test Methods for Chemical Analysis of Copper-Nickel and Copper-Nickel-Zinc Alloys
Published Code	ASTM
Publication Date	1996
Pages Count	7
ICS Codes	77.040.30 - Chemical analysis of metals