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These test methods cover procedures for the chemical analysis of copper-nickel and copper-nickel-zinc alloys having chemical compositions within select limits.
Formerly under the jurisdiction of Committee E01 on Analytical Chemistry for Metals, Ores, and Related Materials, these test methods were withdrawn in March 2010. This standard was withdrawn without replacement due to its limited use by the industry.
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:
|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|
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:
|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|
|Dichromate Method||38 to 40|
|Electrolytic Method||12 to 15|
|Sulfate Method||2 b|
|Persulfate Method||2 b|
|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.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
E29 Practice for Using Significant Digits in Test Data to Determine Conformance With Specifications
E50 Practices for Apparatus, Reagents, and Safety Precautions for Chemical Analysis of Metals
E55 Practice for Sampling Wrought Nonferrous Metals and Alloys for Determination of Chemical Composition
E60 Practice for Photometric and Spectrophotometric Methods for Chemical Analysis of Metals
E88 Practice for Sampling Nonferrous Metals and Alloys in Cast Form for Determination of Chemical Composition