ASTM-E478 › Standard Test Methods for Chemical Analysis of Copper Alloys
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Scope
1.1 These test methods cover the chemical analysis of copper alloys having chemical ranges within the following limits:2
| Element | Composition, % |
|
|
|
| Aluminum | 12.0 max |
| Antimony | 1.0 max |
| Arsenic | 1.0 max |
| Cadmium | 1.5 max |
| Cobalt | 1.0 max |
| Copper | 40.0 min |
| Iron | 6.0 max |
| Lead | 27.0 max |
| Manganese | 6.0 max |
| Nickel | 50.0 max |
| Phosphorus | 1.0 max |
| Silicon | 5.0 max |
| Sulfur | 0.1 max |
| Tin | 20.0 max |
| Zinc | 50.0 max |
1.2 The test methods appear in the following order:
|
| Sections |
| Aluminum by the Carbamate Extraction-Ethyl- | 71 – 78 |
| Copper by the Combined Electrodeposition Gravimetric and Oxalyldihydrazide Spectrophotometric Test Method [50 %, minimum] | 10 – 18 |
| Iron by the 1,10-Phenanthroline Spectrophotometric Test Method [0.003 % to 1.25 %] | 19 – 28 |
| Lead by Atomic Absorption Spectrometry [0.002 % to 15 %] | 90 – 100 |
| Lead by the Ethylenedinitrilotetraacetic Acid (EDTA) Titrimetric Test Method [2.0 % to 30.0 %] | 29 – 36 |
| Nickel by the Dimethylglyoxime Extraction Sprectophotometric Test Method [0.03 % to 5.0 %] | 37 – 46 |
| Nickel by the Dimethylglyoxime Gravimetric Test Method [4 % to 50 %] | 55 – 62 |
| Silver in Silver-Bearing Copper by Atomic Absorption Spectrometry [0.01 % to 0.12 %] | 101 – 112 |
| Tin by the Iodotimetric Titration Test Method [0.5 % to 20 %] | 63 – 70 |
| Tin by the Phenylfluorone Spectrophotometric Test Method [0.01 % to 1.0 %] | 113 – 123 |
| Zinc by Atomic Absorption Spectrometry [0.2 % to 2 %] | 79 – 89 |
| Zinc by the Ethylenedinitrilotetraacetic Acid (EDTA) Titrimetric Test Method [2 % to 40 %] | 47 – 54 |
1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.4 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.
1.5 This 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.
Significance and Use
4.1 These test methods for the chemical analysis of metals and alloys are primarily intended as referee methods to test such materials for compliance with composition specifications. It is assumed that all who use these methods will be trained analysts capable of performing common laboratory procedures skillfully and safely. It is expected that work will be performed in a properly equipped laboratory.
Keywords
atomic absorption spectrometry; copper; spectrophotometric; titrimetric;
To find similar documents by ASTM Volume:
03.05 (Analytical Chemistry for Metals, Ores, and Related Materials: E 32 - latest)
To find similar documents by classification:
77.120.30 (Copper and copper alloys)
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Document Number
ASTM-E478-08(2017)
Revision Level
2008 R17 EDITION
Status
Current
Modification Type
Reapproval
Publication Date
April 1, 2017
Document Type
Test Method
Page Count
22 pages
Committee Number
E01.05