ASTM E1833-96(2001)

Standard Practice for Sampling of Blister Copper in Cast Form for Determination of Chemical Composition

SCOPE
1.1 This practice describes a procedure for the sampling and sample preparation of cast blister copper for the determination of chemical composition.  
1.2 This practice is intended to cover the general principles of sampling applicable to cast blister copper forms.  
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.

General Information

• Status: Historical
• Publication Date: 31-Dec-2000
• ICS: 71.040.50 - Physicochemical methods of analysis
• Technical Committee: E01 - Analytical Chemistry for Metals, Ores, and Related Materials
• Drafting Committee: E01.05 - Cu, Pb, Zn, Cd, Sn, Be, Precious Metals, their Alloys, and Related Metals

Relations

• Replaces: ASTM E1833-96 - Standard Practice for Sampling of Blister Copper in Cast Form for Determination of Chemical Composition
• Effective Date: 01-Jan-2001
• Replaced By: ASTM E1833-07 - Standard Practice for Sampling of Blister Copper in Cast Form for Determination of Chemical Composition
• Effective Date: 01-Feb-2007

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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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:E1833–96 (Reapproved 2001)
Standard Practice for
Sampling of Blister Copper in Cast Form for Determination
of Chemical Composition
This standard is issued under the fixed designation E1833; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope cuttermill.Samplesizereductionisaccomplishedwiththeuse
of a riffle and Tyler screens.
1.1 Thispracticedescribesaprocedureforthesamplingand
sample preparation of cast blister copper for the determination
5. Significance and Use
of chemical composition.
5.1 This practice for sampling of cast blister copper is
1.2 This practice is intended to cover the general principles
intended primarily to test such materials for compliance with
of sampling applicable to cast blister copper forms.
compositional specifications. It is assumed that all who use
1.3 This standard does not purport to address all of the
these methods shall be trained samplers capable of performing
safety concerns, if any, associated with its use. It is the
common sampling procedures skillfully and safely.
responsibility of the user of this standard to establish appro-
5.2 The selection of correct test pieces and the preparation
priate safety and health practices and determine the applica-
of a representative sample from such test pieces are necessary
bility of regulatory limitations prior to use.
prerequisitestoeveryanalysis.Theanalyticalresultswillbeof
2. Referenced Documents little value unless the sample represents the average composi-
tion of the material from which it was prepared.
2.1 ASTM Standards:
E88 Practice for Sampling Nonferrous Metals and Alloys
6. Apparatus
in Cast Form for Determination of Chemical Composition
6.1 Bucket, plastic sack-lined.
E255 Practice for Sampling Copper and CopperAlloys for
3 6.2 Cards, sampling information.
the Determination of Chemical Composition
6.3 Center Punch-Spring Steel.
3. Terminology 6.4 Chalk, blackboard type.
6.5 Cutter Mill or Hance Grinder.
3.1 Practice E255 lists all the necessary terminology used
6.6 Drill Bit, approximately ⁄4-in. diameter and a length
for the understanding of this practice.
sufficient to penetrate the blister copper form completely.
4. Summary of Practice
6.7 Drill Press, commercial type, 610 rpm.
6.8 Electromagnet, hand-held or other permanent magnet.
4.1 Each selected copper piece is drilled by means of a
3 6.9 Hammer, blacksmith type.
commercial drill press using a ⁄4-in. carbide-tipped, or tool
6.10 Pan, square metal or plastic, approximately 10 310
steel drill. The speed of sampling shall be so regulated that
in.
excessive heating, and consequent oxidation, is avoided.
6.11 Paper, Kraft.
Carbide-tipped tools are recommended. Drill cuttings are
6.12 Pulp Sample Sacks.
collected with a commercial vacuum cleaner and ground in a
6.13 Riffle, Jones Type, or other of similar design.
6.14 Rotap Machine, or similar sieve shaking device.
This practice is under the jurisdiction ofASTM Committee E01 onAnalytical
6.15 Template, drilling sequence, Fig. 1, Note 1.
ChemistryforMetals,Ores,andRelatedMaterialsandisthedirectresponsibilityof
6.16 Tyler Screen, 20 mesh, 12 in.
Subcommittee E01.05 on Cu, Pb, Zn, Cd, Sn, Be, theirAlloys and Related Metals.
6.17 Tyler Screen, 60 mesh, 12 in.
Current edition approved Oct. 10, 1996. Published December 1996.
For referenced ASTM standards, visit the ASTM website, www.astm.org, or 6.18 V-blender, or similar style mixer.
contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM
6.19 Vacuum Cleaner, commercial quality.
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website.
7. Procedure
Symposium on Sampling and Analysis of Copper Cathodes, ASTM STP 831,
ASTM, 1987. 7.1 Sampling:
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E1833–96 (2001)
7.2 Sample Preparation:
7.2.1 Adjust the cutter mill to coarse grind. Slowly pour the
grosssampleintothecuttermilltoreducelargecongiomerates
ofsample.PlacethegrosssampleintotheV-blenderandblend
for 15 min. Riffle the sample to split the gross sample into two
equal representative fractions,Aand B. Place theAincrement
intostorageandlabel,“bulkreserve”sample.Continuetoriffle
the B fraction until approximately 4000 g of sample have been
obtained. Place all surplus increment splits from the B fraction
NOTE 1—Template should have external measurements that would
into the A increment bulk storage container.
exactly fit ⁄4 of the dimensions of the cast blister bars.
7.2.2 Using the 4000 g B increment sample obtained in
FIG. 1 Drilling Sequence Template
7.2.1, place this material into the 20 mesh 12-in. Tyler screen.
7.1.1 Different parts of a blister copper form may vary in
Place the screen and its−20 mesh holding pan into a sieve
composition.Asample,therefore,mustbetakenwithcaretobe shaker for 15 min. Separate the+20 mesh material, which is
representative of that form. To obtain a sample representative present upon the 20-mesh screen, from the−20 mesh holding
of a lot of the product, a number of test pieces should be pan. Regrind the+20-mesh material in the
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