ASTM D473-02

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An American National Standard
Designation:D473–02
Designation: Manual of Petroleum Measurement Standards (MPMS), Chapter 10.1
Designation: 53/82
Standard Test Method for
Sediment in Crude Oils and Fuel Oils by the Extraction
1
Method
This standard is issued under the fixed designation D 473; 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 Chapter 8.1 Manual Sampling of Petroleum and Petroleum
Products (ASTM Practice D 4057)
1.1 This test method covers the determination of sediment
Chapter 8.2 Automatic Sampling of Petroleum and Petro-
in crude oils and fuel oils by extraction with toluene. The
leum Products (ASTM Practice D 4177)
precision applies to a range of sediment levels from 0.01 to
Chapter 8.3 Mixing and Handling of Liquid Samples of
0.40 % mass, although higher levels may be determined.
Petroleum and Petroleum Products (ASTM Practice
NOTE 1—Precision on recycled oils and crank case oils is unknown and
D 5854)
additional testing is required to determine that precision.
5
2.3 ISO Standard:
1.2 The values stated in SI units are to be regarded as the
5272 Toluene for industrial use—Specifications
standard. The values given in parentheses are for information
3. Summary of Test Method
only.
1.3 This standard does not purport to address all of the
3.1 Extract test portion of a representative oil sample,
safety concerns, if any, associated with its use. It is the
contained in a refractory thimble, with hot toluene until the
responsibility of the user of this standard to establish appro-
residue reaches constant mass. The mass of residue, calculated
priate safety and health practices and determine the applica-
as a percentage, is reported as sediment by extraction.
bility of regulatory limitations prior to use. For specific
4. Significance and Use
precautionary statements, see 6.1.
4.1 A knowledge of the sediment content of crude oils and
2. Referenced Documents
fuel oils is important both to the operation of refining and the
2.1 ASTM Standards:
buying or selling of these commodities.
D 4057 Practice for Manual Sampling of Petroleum and
2
5. Apparatus
Petroleum Products
D 4177 Practice for Automatic Sampling of Petroleum and
5.1 Usual laboratory apparatus and glassware, together with
2
Petroleum Products the following are required for this test method.
D 5854 Practice for Mixing and Handling of Liquid
5.1.1 Extraction Apparatus—Use the apparatus illustrated
3
Samples of Petroleum and Petroleum Products in Figs. 1 and 2 and consisting of the elements described in
4
2.2 API Standards:
5.1.1.1-5.1.1.3.
5.1.1.1 Extraction Flask—Use a wide-neck (Erlenmeyer)
flask of 1-L capacity, with a minimum external neck diameter
of 50 mm, for the procedure.
1
This test method is under the jurisdiction of ASTM Committee D02 on
5.1.1.2 Condenser—Acondenser in the form of a metal coil
Petroleum Products and Lubricants and theAPI Committee on Petroleum Measure-
approximately 25 mm in diameter and 50 mm in length
ment, and is the direct responsibility of Subcommittee D02.02/COMQ, the joint
ASTM-API Committee on Static Petroleum Measurement.
attached to, and with the ends projecting through, a lid of
Current edition approved April 10, 2002. Published August 2002. Originally
sufficient diameter to cover the neck of the flask as shown in
e2
published as D 473–38T. Last previous edition D 473–81(1995) .
2
Annual Book of ASTM Standards, Vol 05.02.
3
Annual Book of ASTM Standards, Vol 05.03.
4 5
Published as Manual of Petroleum Measurement Standards.Available from the Available fromAmerican National Standards Institute (ANSI), 25 W. 43rd St.,
American Petroleum Institute (API), 1220 L St., NW, Washington, DC 20005. 4th Floor, New York, NY 10036.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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D473–02
NOTE—Apparatus B shows the water cup in position.
FIG. 1 Extraction Apparatus for Determination of Sediment
Fig. 1. The coil shall be made from stainless steel, tin, deep,andhaveacapacityofapproximately3mL.Aglasshook
tin-plated copper, or tin-plated brass tubing having an outside fused on the rim at one side is so shaped that when hung on the
diameter of 5 to 8 mm and a wall thickness of 1.5 mm. If condenser the cup hangs with its rim reasonably level. In this
constructed of tin-plated copper or brass, the tin coating shall procedure, suspend the thimble basket as shown in Fig. 1,
have a minimum thickness of 0.075 mm. T
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