ASTM D5502-00
(Test Method)Standard Test Method for Apparent Density by Physical Measurements of Manufactured Anode and Cathode Carbon Used by the Aluminum Industry
Standard Test Method for Apparent Density by Physical Measurements of Manufactured Anode and Cathode Carbon Used by the Aluminum Industry
SCOPE
1.1 This test method covers the determination of the apparent density of core samples from manufactured articles of anode and cathode carbon used by the aluminum industry in the production of aluminum.
1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
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.
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An American National Standard
Designation:D5502–00
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 D 5502; 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.
1. Scope 5. Apparatus
1.1 This test method covers the determination of the appar- 5.1 Drying Oven, capable of being controlled to 110 6 5°C
ent density of core samples from manufactured articles of (230 6 9°F).
anode and cathode carbon used by the aluminum industry in 5.2 Desiccator, charged with indicating desiccant.
the production of aluminum. 5.3 Balance, capable of weighing to 6 0.01 g.
1.2 The values stated in SI units are to be regarded as the 5.4 Core Drill, drill equipped with a diamond core bit
standard. The values given in parentheses are for information capable of producing a core with a minimum diameter of 50
only. mm with true surface qualities.
1.3 This standard does not purport to address all of the 5.5 Cut-Off Saw, a saw capable of cutting the cored sample
safety concerns, if any, associated with its use. It is the resulting in a surface free of chips or gouges.
responsibility of the user of this standard to establish appro- 5.6 Micrometer, a micrometer or other measuring device
priate safety and health practices and determine the applica- capable of measuring the diameter and length of the prepared
bility of regulatory limitations prior to use. sample to an accuracy of 0.001 cm.
2. Referenced Documents 6. Preparation of Test Specimens
2.1 ASTM Standards: 6.1 Core drill samples with a minimum diameter of 50 mm
C 559 Test Method for Bulk Density by Physical Measure- from the manufactured article in the form of a right circular
ments of Manufactured Carbon and Graphite Articles cylinder.
IEEE/ASTM SI 10 Standard for Use of the International 6.2 Cut samples from the core to a minimum length of 50
System of Units (SI): (The Modern Metric System) mm. It is recommended that triplicate samples from the core be
prepared, analyzed, and averaged to attain a result representa-
3. Terminology
tive of the core apparent density.
3.1 Definitions:
6.3 It is the responsibility of the user of this standard to
3.1.1 apparent density—the weight per unit volume of a establish the quantity and location of core samples from the
substance, including voids inherent in the material tested.
manufactured article for testing.
6.4 No particle contained within the sample can be larger
4. Significance and Use
than 19 mm. If particles are larger the sample size, quantity, or
4.1 Apparent density as determined by this test method is a
both, must be increased accordingly to give comparable
basic material property of importance in manufacturing and
accuracy in the results.
application of anode and cathode carbon.
6.5 During the coring operation, use no lubricant having a
4.2 This test method can be used for quality and process
boilingpointabove100°C.Alledgesandfacesofthespecimen
control, material characterization and description, and other
should be free of chips or gouges. Ensure that the specimen is
purposes.
free of any residue from the coring operation. Dry the
specimen for a minimum of2hat110°C, and then allow it to
cool to 25 6 5°C in a desiccator. The specimen shall not be
This test method is under the jurisdiction of ASTM Committee D02 on
removed from the desiccator until immediately prior to weigh-
Petroleum Products and Lubricantsand is the direct responsibility of Subcommittee
ing.
D02.05.0Don Petroleum Coke Sampling and Procedures.
Current edition approved June 10, 2000. Published July 2000. Originally
published as D 5502 - 94. Last Previous edition D 5502 - 99.
Annual Book of ASTM Standards, Vol 05.05.
Annual Book of ASTM Stan
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