ASTM D5502-00(2005)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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Designation:D5502–00 (Reapproved 2005)
Standard Test Method for
Apparent Density by Physical Measurements of
Manufactured Anode and Cathode Carbon Used by the
Aluminum Industry
This standard is issued under the fixed designation D5502; 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 (´) indicates an editorial change since the last revision or reapproval.
1. Scope 4.2 This test method can be used for quality and process
control, material characterization and description, and other
1.1 This test method covers the determination of the appar-
purposes.
ent density of core samples from manufactured articles of
anode and cathode carbon used by the aluminum industry in
5. Apparatus
the production of aluminum.
5.1 Drying Oven, capable of being controlled to 110 6 5°C
1.2 The values stated in SI units are to be regarded as
(230 6 9°F).
standard. No other units of measurement are included in this
5.2 Desiccator, charged with indicating desiccant.
standard.
5.3 Balance, capable of weighing to 6 0.01 g.
1.3 This standard does not purport to address all of the
5.4 Core Drill, drill equipped with a diamond core bit
safety concerns, if any, associated with its use. It is the
capable of producing a core with a minimum diameter of 50
responsibility of the user of this standard to establish appro-
mm with true surface qualities.
priate safety and health practices and determine the applica-
5.5 Cut-Off Saw, a saw capable of cutting the cored sample
bility of regulatory limitations prior to use.
resulting in a surface free of chips or gouges.
2. Referenced Documents 5.6 Micrometer, a micrometer or other measuring device
capable of measuring the diameter and length of the prepared
2.1 ASTM Standards:
sample to an accuracy of 0.001 cm.
C559 Test Method for Bulk Density by Physical Measure-
ments of Manufactured Carbon and Graphite Articles
6. Preparation of Test Specimens
IEEE/ASTM SI 10 Standard for Use of the International
6.1 Core drill samples with a minimum diameter of 50 mm
System of Units (SI): (The Modern Metric System)
from the manufactured article in the form of a right circular
3. Terminology cylinder.
6.2 Cut samples from the core to a minimum length of 50
3.1 Definitions:
mm. It is recommended that triplicate samples from the core be
3.1.1 apparent density—the weight per unit volume of a
prepared, analyzed, and averaged to attain a result representa-
substance, including voids inherent in the material tested.
tive of the core apparent density.
4. Significance and Use 6.3 It is the responsibility of the user of this test method to
establish the quantity and location of core samples from the
4.1 Apparent density as determined by this test method is a
manufactured article for testing.
basic material property of importance in manufacturing and
6.4 No particle contained within the sample can be larger
application of anode and cathode carbon.
than 19 mm. If particles are larger, the sample size or quantity,
or both, shall be increased accordingly to give comparable
This test method is under the jurisdiction of ASTM Committee D02 on
accuracy in the results.
Petroleum Products and Lubricants and is the direct responsibility of Subcommittee
6.5 During the coring operation, use no lubricant having a
D02.05 on Properties of Fuels, Petroleum Coke and Carbon Material.
boilingpointabove100°C.Alledgesandfacesofthespecimen
Current edition approved May 1, 2005. Published May 2005. Originally
approved in 1994. Last previous edition approved in 2000 as D5502–00. DOI:
should be free of chips or gouges. Ensure that the specimen is
10.1520/D5502-00R05.
free of any residue from the coring operation. Dry the
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
specimen for a minimum of2hat110°C, and then allow it to
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website.
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