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ASTM D6335-03b

(Test Method)

Standard Test Method for Determination of High Temperature Deposits by Thermo-Oxidation Engine Oil Simulation Test

Standard Test Method for Determination of High Temperature Deposits by Thermo-Oxidation Engine Oil Simulation Test

SIGNIFICANCE AND USE
The test method is designed to predict the high temperature deposit forming tendencies of an engine oil. This test method can be used to screen oil samples or as a quality assurance tool.
FIG. 1 Thermo-oxidation Engine Oil Simulation Test (TEOST)
SCOPE
1.1 This test method covers the procedure to determine the amount of deposits formed by automotive engine oils utilizing the thermo-oxidation engine oil simulation test (TEOST). An interlaboratory study has determined it to be applicable over the range from 10 to 65 mg total deposits.
Note 1—Operational experience with the test method has shown the test method to be applicable to engine oils having deposits over the range from 2 to 180 mg total deposits.
1.2 The values stated in SI units are to be regarded as the standard.
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
09-May-2003
ICS
75.100 - Lubricants, industrial oils and related products
Technical Committee
D02 - Petroleum Products, Liquid Fuels, and Lubricants
Drafting Committee
D02.09.0G - Oxidation Testing of Engine Oils
Current Stage
Ref Project

Relations

Replaces
ASTM D6335-03a - Standard Test Method for Determination of High Temperature Deposits by Thermo-Oxidation Engine Oil Simulation Test
Effective Date
10-May-2003
Replaced By
ASTM D6335-09 - Standard Test Method for Determination of High Temperature Deposits by Thermo-Oxidation Engine Oil Simulation Test
Effective Date
01-Jun-2009
Referred By
ASTM D4485-22e1 - Standard Specification for Performance of Active API Service Category Engine Oils
Effective Date
10-May-2003
Referred By
ASTM D7097-19 - Standard Test Method for Determination of Moderately High Temperature Piston Deposits by Thermo-Oxidation Engine Oil Simulation Test—TEOST MHT
Effective Date
10-May-2003

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ASTM D6335-03b - Standard Test Method for Determination of High Temperature Deposits by Thermo-Oxidation Engine Oil Simulation TestASTM D6335-03b - Standard Test Method for Determination of High Temperature Deposits by Thermo-Oxidation Engine Oil Simulation Test
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ASTM D6335-03b - Standard Test Method for Determination of High Temperature Deposits by Thermo-Oxidation Engine Oil Simulation Test
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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
An American National Standard
Designation:D6335–03b
Standard Test Method for
Determination of High Temperature Deposits by Thermo-
1
Oxidation Engine Oil Simulation Test
This standard is issued under the fixed designation D 6335; 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* 2.1.6 filter deposits—the mass in mg of the deposits col-
lected on the filter cartridge.
1.1 This test method covers the procedure to determine the
2.1.7 pump—the gear pump that controls the flow rate of
amount of deposits formed by automotive engine oils utilizing
2 3 sample through the depositor rod casing.
the thermo-oxidation engine oil simulation test (TEOST ). An
4
2.1.8 pump inlet tube—the tube connecting the reactor
interlaboratory study has determined it to be applicable over
chamber to the pump.
the range from 10 to 65 mg total deposits.
2.1.9 pump outlet tube—the tube connecting the pump to
NOTE 1—Operational experience with the test method has shown the
the depositor rod casing.
test method to be applicable to engine oils having deposits over the range
2.1.10 reactor chamber—the reservoir that contains the
from 2 to 180 mg total deposits.
bulk of the sample throughout the test. It has a drain valve for
1.2 The values stated in SI units are to be regarded as the
removing sample at the end of the test and an inlet valve for
standard.
adding gases to the sample. The chamber contains a magnetic
1.3 This standard does not purport to address all of the
stir bar well in the bottom in which a stir bar is placed to mix
safety concerns, if any, associated with its use. It is the
the reactor contents.
responsibility of the user of this standard to establish appro-
2.1.11 rod deposits—the mass in mg of the deposits col-
priate safety and health practices and determine the applica-
lected on the depositor rod.
bility of regulatory limitations prior to use.
2.1.12 rod o-rings—the o-rings that seal the outside of the
rod and the depositor rod casing to prevent sample leaks.
2. Terminology
2.1.13 side nut—the fitting creates a seal to prevent sample
2.1 Definitions of Terms Specific to This Standard:
leaking from the front holes of the depositor rod casing.
2.1.1 ceramic isolator—the fitting that compresses the
2.1.14 thermocouple lock collar—a fitting that tightens on
o-ring into the depositor rod casing and isolates the depositor
the thermocouple to ensure the thermocouple is at the correct
rod casing from the voltage applied to the depositor rod.
depth when placed inside the rod.
2.1.2 depositor rod—the steel rod on which the deposits are
2.1.15 total deposits—the rod deposits plus the filter depos-
collected. It is resistively heated through a temperature cycle
its.
during the test.
2.1.3 depositor rod casing—the sleeve that surrounds the 3. Summary of Test Method
depositor rod and allows the flow of specimen around the
3.1 A sample of the engine oil at a temperature of 100°C
outside of the rod.
that contains ferric napthenate and is in contact with nitrous
2.1.4 drain tube—the tube connecting the outlet of the
oxide and moist air is pumped at a set flow rate past a tared
depositor rod casing to the reaction chamber.
depositor rod. The rod is resistively heated through twelve, 9.5
2.1.5 end cap—the fitting to tighten the ceramic isolators
min temperature cycles that go from 200 to 480°C. When the
down onto the o-rings at the ends of the depositor rod casing.
twelve cycle program is complete, the depositor rod rinsed of
oil residue and dried and the gross rod mass obtained. The
1
sample is flushed from the system and filtered through a tared
This test method is under the jurisdiction of ASTM Committee D02 on
Petroleum Products and Lubricants and is the direct responsibility of Subcommittee filter.The mass of deposits on the rod plus the mass of deposits
D02.09 on Oxidation.
on the filter is the total deposit mass.
Current edition approved May 10, 2003. Published July 2003. Originally
approved in 1998. Last previous edition approved in 2003 as D 6335–03a.
4. Significance and Use
2
TEOST is a trademark of the Tannas Co. (Reg. 2001396).
3
The Development of Thermo-Oxidation Engine Oil Simulation Test (TEOST),
4.1 The test method is designed to predict the high tempera-
Society of Automotive Engineers (SAE No. 932837), 400 Commonwealth Dr.,
ture deposit forming tendencies of an engine oil. This test
Warrendale, PA 15096-0001.
method can be used to screen oil samples or as a quality
4
Supporting data have been filed at ASTM International Headquarters and may
assurance tool.
be obtained by requesting Research Report RR: D02–1391.
*A Summar
...

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1.1 This test method covers the determination of glycol based antifreeze for in-service engine oil by derivative headspace/gas chromatography.  
1.2 Sample is derivatized in-situ directly in a headspace sampling vial prior to vapor phase extraction and injection into a gas chromatograph.  
1.3 The chemistry of the derivatization is unique to the detection of the molecules of ethylene glycol and 1,2-propylene glycol. 1,3-propylene glycol could also be detected but is not used in any known anti-freeze at this time. Other coolant analyses are beyond the scope of this test method.  
1.4 The derivatization process does not affect glycol breakdown products such as glycolate and formate and hence the presence of these compounds in the oil will not be quantified.  
1.5 The test method concentration range is from 50 µg/g to 1000 µg/g. Lower levels are possible by method modifications. Higher levels are possible through sample dilution.  
1.6 Units—The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.  
1.7 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.8 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

  • Standard
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  • Standard
    8 pages
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ASTM
ASTM D7918-23(Test Method)
Standard Test Method for Measurement of Flow Properties and Evaluation of Wear, Contaminants, and Oxidative Properties of Lubricating Grease by Die Extrusion Method and Preparation

SIGNIFICANCE AND USE
5.1 Trending the wear, contamination, consistency, and oxidative properties of a lubricating grease is a crucial part of condition-monitoring programs. Changes in these properties or deviations from the new grease can be indicative of problems within the lubricated component, such as the mixing of incompatible thickener types, excessive wear or contaminant levels, or significant depletion of antioxidant levels. These test methods also makes it possible to develop trends that can be used to predict failures before they occur and allow for corrective action to be taken.
SCOPE
1.1 This test method covers the determination and evaluation of flow properties, wear levels, contaminants, and oxidative condition of new and in-service lubricating grease.  
1.2 This test method provides guidance on evaluating in-service grease samples, NLGI grades 00 to 3, for wear, consistency, contamination, and oxidation.  
1.3 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.  
1.3.1 Exception—The exception to this will be where units of references were developed by the developers of the test equipment and necessary to report the results of the test.  
1.4 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

  • Standard
    9 pages
    English language
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  • Standard
    9 pages
    English language
    sale 15% off