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ASTM E53-98

(Test Method)

Standard Test Method for Determination of Copper in Unalloyed Copper by Gravimetry

Standard Test Method for Determination of Copper in Unalloyed Copper by Gravimetry

SCOPE
1.1 These methods cover the chemical analysis of copper having minimum purity of 99.75%.  
1.2 The methods appear in the following order:  Sections Copper by the Electrolytic Method 9 to 22 Cadmium, Cobalt, Iron, Manganese, Nickel, Silver, and Zinc by Flame Atomic Absorption Spectroscopy 23 to 34
1.3 This standard does not purport to address all of the safety problems 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. Specific precautionary statements are given in Section 5 and Note 1.

General Information

Status
Historical
Publication Date
09-Oct-1998
ICS
77.040.30 - Chemical analysis of metals
77.120.30 - Copper and copper alloys
Technical Committee
E01 - Analytical Chemistry for Metals, Ores, and Related Materials
Current Stage
Ref Project

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Replaced By
ASTM E53-02 - Standard Test Method for Determination of Copper in Unalloyed Copper by Gravimetry
Effective Date
10-Dec-2002

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ASTM E53-98 - Standard Test Method for Determination of Copper in Unalloyed Copper by GravimetryASTM E53-98 - Standard Test Method for Determination of Copper in Unalloyed Copper by Gravimetry
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ASTM E53-98 - Standard Test Method for Determination of Copper in Unalloyed Copper by Gravimetry
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Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn. Contact
ASTM International (www.astm.org) for the latest information.
Designation: E 53 – 98
AMERICAN SOCIETY FOR TESTING AND MATERIALS
100 Barr Harbor Dr., West Conshohocken, PA 19428
Reprinted from the Annual Book of ASTM Standards. Copyright ASTM
Standard Test Method for
Determination of Copper in Unalloyed Copper by
1
Gravimetry
This standard is issued under the fixed designation E 53; the number immediately following the designation indicates the year of original
adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A superscript
epsilon (e) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope 3. Terminology
1.1 This test method covers the chemical analysis of copper 3.1 Definitions—For definitions of terms used in this test
having minimum purity of 99.75 % to 99.95 %. method, refer to Terminology E 135.
1.2 This test method covers the electrolytic determination of
4. Summary of Test Method
copper in chemical, electrolytic, and fire refined copper. In this
method silver is deposited with the copper, and is reported as 4.1 The sample is dissolved in an acid mixture and the
copper is electrolytically deposited and weighed on a tared
copper.
1.3 This standard does not purport to address all of the platinum cathode. Copper remaining in the electrolyte is
determined by atomic absorption spectroscopy.
safety concerns, if any, associated with its use. It is the
responsibility of the user of this standard to establish appro-
5. Significance and Use
priate safety and health practices and determine the applica-
5.1 This test method for the chemical analysis of copper is
bility of regulatory limitations prior to use. Specific precau-
primarily intended to test for compliance with compositional
tionary statements are given in Section 9 and Note 1.
specifications. It is assumed that all who use this method will
2. Referenced Documents
be trained analysts capable of performing common laboratory
procedures skillfully and safely. It is expected that work will be
2.1 ASTM Standards:
E 29 Practice for Using Significant Digits in Test Data to performed in a properly equipped laboratory.
2
Determine Conformance with Specifications
6. Interferences
E 50 Practices for Apparatus, Reagents, and Safety Precau-
3
6.1 Elements normally present in refined copper with a
tions for Chemical Analysis of Metals
minimum purity of 99.85 % do not interfere.
E 121 Test Methods for Chemical Analysis of Copper-
3
6.2 Approximately one-half of any selenium or tellurium
Tellurium Alloys
present will codeposit. If interfering amounts are present,
E 135 Terminology Relating to Analytical Chemistry for
3
proceed in accordance with Test Methods E 121.
Metals, Ores, and Related Materials
E 173 Practice for Conducting Interlaboratory Studies of
7. Apparatus
3
Methods for Chemical Analysis of Metals
7.1 Electrodes for Electroanalysis—Apparatus No. 9, Prac-
E 255 Practice for Sampling Copper and Copper Alloys for
3
tices E 50.
the Determination of Chemical Composition
7.1.1 Electrodes—Platinum electrodes of the stationary type
E 1024 Guide for Chemical Analysis of Metals and Metal
are recommended as described in 7.1.2 and 7.1.3, but strict
Bearing Ores by Flame Atomic Absorption Spectropho-
4
adherence to the exact size and shape of the electrodes is not
tometry
mandatory. When agitation of the electrolyte is permissible in
E 1601 Practice for Conducting an Interlaboratory Study to
4
order to decrease the time of deposition, one of the types of
Evaluate the Performance of an Analytical Method
rotating forms of electrodes, generally available, may be
employed. The surface of the platinum electrodes should be
smooth, clean, and bright to promote uniform deposition and
1
This test method is under the jurisdiction of ASTM Committee E-1 on
good adherence. Sandblasting is not recommended.
Analytical Chemistry for Metals, Ores, and Related Materials and is the direct
responsibility of Subcommittee E01.07 on Cu and Cu Alloys. 7.1.2 Cathodes—Platinum cathodes may be formed either
Current edition approved Oct. 10, 1998. Published April 1999. Originally
from plain or perforated sheets or from wire gauze, and may be
published as E53 – 46 T. Last previous edition E 53– 86a(1991).
either open or closed cylinders. Gauze cathodes are recom-
2
Annual Book of ASTM Standards, Vol 14.02.
3
mended, and shall be made preferably from 50-mesh gauze
Annual Book of ASTM Standards, Vol 03.05.
4
Annual Book of ASTM Standards, Vol 03.06.
1

---------------------- Page: 1 ----------------------
NOTICE:¬This¬standard¬has¬either¬been¬superceded¬and¬replaced¬by¬a¬new¬version¬or¬discontinued.¬
Contact¬ASTM¬International¬(www.astm.org)¬for¬the¬latest¬information.¬
E53
woven from wire approximately 0.21 mm (0.0085 in.) in
...

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1.1 These test methods cover the chemical analysis of manganese-copper alloys having chemical compositions within the following limits:    
Element  
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Copper  
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Carbon  
0.03 max  
Iron  
0.01 max  
Phosphorus  
0.01 max  
Silicon  
0.05 max  
Sulfur  
0.01 max  
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Element  
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Aluminum  
12.0 max  
Antimony  
1.0 max  
Arsenic  
1.0 max  
Cadmium  
1.5 max  
Cobalt  
1.0 max  
Copper  
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Iron  
6.0 max  
Lead  
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Manganese  
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Nickel  
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Phosphorus  
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Silicon  
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Aluminum by the Carbamate Extraction-Ethyl-
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71 – 78  
Copper by the Combined Electrodeposition Gravimetric and Oxalyldihydrazide Spectrophotometric Test Method [50 %, minimum]  
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Iron by the 1,10-Phenanthroline Spectrophotometric Test Method [0.003 % to 1.25 %]  
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Lead by the Ethylenedinitrilotetraacetic Acid (EDTA) Titrimetric Test Method [2.0 % to 30.0 %]  
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Zinc by the Ethylenedinitrilotetraacetic Acid (EDTA) Titrimetric Test Method [2 % to 40 %]  
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Iron  
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0.05 max  
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47 – 54  
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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.

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3.2 This guide should be adapted to site specific circumstance.
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