1、Designation:D692213(Reapproved 2018)Standard Test Method forDetermination of Homogeneity and Miscibility in AutomotiveEngine Oils1This standard is issued under the fixed designation D6922;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revisi
2、on,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This test method covers the determination if an automo-tive engine oil is homogeneous and will remain so,and
3、 if it ismiscible with certain standard reference oils after being sub-mitted to a prescribed cycle of temperature changes.This testmethod is very similar to the homogeneity and miscibility testdescribed in FEDSTD791/3470.1.1.2 The values stated in SI units are to be regarded asstandard.No other uni
4、ts of measurement are included in thisstandard.1.3 WARNINGMercury has been designated by manyregulatory agencies as a hazardous substance that can causeserious medical issues.Mercury,or its vapor,has been dem-onstrated to be hazardous to health and corrosive to materials.Use Caution when handling me
5、rcury and mercury-containingproducts.See the applicable product Safety Data Sheet(SDS)for additional information.The potential exists that sellingmercury or mercury-containing products,or both,is prohibitedby local or national law.Users must determine legality of salesin their location.1.4 This stan
6、dard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety,health,and environmental practices and deter-mine the applicability of regulatory limitations prior to use.1.5 This internat
7、ional standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committ
8、ee.2.Referenced Documents2.1 ASTM Standards:2D97 Test Method for Pour Point of Petroleum ProductsD4057 Practice for Manual Sampling of Petroleum andPetroleum ProductsD5844 Test Method for Evaluation of Automotive EngineOils for Inhibition of Rusting(Sequence IID)(Withdrawn2003)3D6557 Test Method for
9、 Evaluation of Rust Preventive Char-acteristics of Automotive Engine OilsE1 Specification for ASTM Liquid-in-Glass ThermometersE344 Terminology Relating to Thermometry and Hydrom-etry2.2 Federal Test Method Standard:4FEDSTD791/3470.1 Homogeneity and Miscibility of Oils3.Terminology3.1 Definitions:3.
10、1.1 calibrate,vto determine the indication or output of ameasuring device with the respect of that of a standard.E3443.1.2 homogeneity,nthe ability of a test oil itself to remainthe same in appearance throughout(uniform)after submissionto a series of temperature changes.3.1.3 miscibility,nthe abilit
11、y of a reference oil and test oilto form a uniform mixture after blending and not separate intotwo phases after submission to a series of temperature changes.3.1.4 reference oil,nan oil of known performancecharacteristics,used as a basis for comparison.1This test method is under the jurisdiction of
12、ASTM Committee D02 onPetroleum Products,Liquid Fuels,and Lubricants and is the direct responsibility ofSubcommittee D02.B0 on Automotive Lubricants.Current edition approved Dec.1,2018.Published December 2018.Originallyapproved in 2003.Last previous edition approved in 2013 as D6922 13.DOI:10.1520/D6
13、922-13R18.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3The last approved version of this historical standard i
14、s referenced onwww.astm.org.4Available from U.S.Government Printing Office Superintendent of Documents,732 N.Capitol St.,NW,Mail Stop:SDE,Washington,DC 20401,http:/www.access.gpo.gov.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis inte
15、rnational standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Commi
16、ttee.1 3.1.4.1 DiscussionReference oils are used to calibratetesting facilities,to compare the performance of other oils,orto evaluate other materials(such as seals)that interact withoils.D58443.1.5 specimen,na piece or portion of test oil used tomake a test.3.1.6 test oil,nany oil subjected to evaluation in anestablished procedure.D65574.Summary of Test Method4.1 Visual color determinations and observations are madeon an undiluted test oil specimen,along with six blends of thesame test oil that
