ASTM D5846-02

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An American National Standard
Designation:D5846–02
Standard Test Method for
Universal Oxidation Test for Hydraulic and Turbine Oils
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Using the Universal Oxidation Test Apparatus
This standard is issued under the fixed designation D5846; 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 D974 Test Method for Acid and Base Number by Color-
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Indicator Titration
1.1 This test method covers a procedure for evaluating the
D3339 Test Method for Acid Number of Petroleum Prod-
oxidationstabilityofpetroleumbasehydraulicoilsandoilsfor
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ucts by Semi-Micro Color Indicator Titration
steam and gas turbines.
D4057 Practice for Manual Sampling of Petroleum and
1.2 This test method was developed to evaluate the oxida-
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Petroleum Products
tion stability of petroleum base hydraulic oils and oils for
D4740 Test Method for Stability and Compatibility of
steam and gas turbines.
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Residual Fuels by Spot Test
1.2.1 Rust and oxidation inhibited hydraulic, anti-wear hy-
D4871 Guide for Universal Oxidation/Thermal Stability
draulic and turbine oils of ISO 32–68 viscosity were used to
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Test Apparatus
develop the precision statement. This test method has been
D5770 Test Method for Semi-Quantitative Micro Determi-
used to evaluate the oxidation stability of fluids made with
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nation of Acid Number of Used Lubricating Oils
synthetic basestock and in-service oils; however, these fluids
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2.2 Institute of Petroleum Standard:
have not been used in cooperative testing to develop precision
IP 2546 Practice for Sampling of Petroleum Products;
data.
alternate to Practice D4057
1.3 The values stated in SI units are to be regarded as the
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2.3 British Standard:
standard. The values given in parentheses are for information
BS 1829 Specification for Carbon Steel Wire; alternate to
only.
Specification A510
1.4 This standard does not purport to address all of the
2.4 ASTM Adjuncts:
safety concerns, if any, associated with its use. It is the
Reference Spot Sheet (Test Method D4740), for visual
responsibility of the user of this standard to establish appro-
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rating of blotter spots
priate safety and health practices and determine the applica-
bility of regulatory limitations prior to use. Identified hazard-
3. Terminology
ous chemicals are listed in 7.3, 7.6, and 7.8. Before using this
3.1 Definitions of Terms Specific to This Standard:
test method, refer to suppliers’ safety labels, Material Safety
3.1.1 oxidation life, n—of an oil, the time in hours required
Data Sheets, and other technical literature.
for degradation of the oil under test.
2. Referenced Documents 3.1.2 inhibited mineral oil, n—a petroleum oil containing
additives to retard oxidation.
2.1 ASTM Standards:
3.1.3 universal oxidation test, n—the apparatus and proce-
A510 Specification for General Requirements for Wire
2 dures described in Guide D4871.
Rods and Coarse Round Wire, Carbon Steel
3
B1 Specification for Hard-Drawn Copper Wire
4. Summary of Test Method
D664 TestMethodforAcidNumberofPetroleumProducts
4 4.1 An oil sample is contacted with air at 135°C in the
by Potentiometric Titration
presence of copper and iron metals. The acid number and spot
D943 Test Method for Oxidation Characteristics of Inhib-
4 forming tendency of the oil are measured daily. The test is
ited Mineral Oils
terminated when the oxidation life of the oil has been reached.
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This test method is under the jurisdiction of ASTM Committee D02 on
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PetroleumProductsandLubricants andisthedirectresponsibilityofSubcommittee Annual Book of ASTM Standards, Vol 05.02.
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D02.09.0D on Oxidation of Lubricants. Annual Book of ASTM Standards, Vol 05.03.
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Current edition approved Apr. 10, 2002. Published June 2002. Originally Available from the Institute of Petroleum, 61 New Cavendish St., London,
published as D5846-95. Last previous edition D5846-99. W1G 7AR, U.K.
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Annual Book of ASTM Standards, Vol 01.03. Available from British Standards Institute, 389 Chiswick High Rd., London,
3
Annual Book of ASTM Standards, Vol 02.03. W4 4AL, U.K.
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Annual Book of ASTM Standards, Vol 05.01. Available from ASTM International Headquarters. Order ADJD4740.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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D5846–02
4.2 Theoilisconsideredtobedegradedwheneitheritsacid further described in Guide D4871, to provide a controlled
number (measured by Test Methods D974 or D664) has constant temperature for conducting the test.
increased by 0.5 mg KOH/g over that of new oil; or when the 6.1.1 Test cells are maint
...