ASTM D97-2005

AnAmericanNationalStandard

Designation:15/95

StandardTestMethodfor

PourPointofPetroleumProducts1ThisstandardisissuedunderthefixeddesignationD97;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.

1.Scope*

1.1Thistestmethodisintendedforuseonanypetroleumproduct.2Aproceduresuitableforblackspecimens,cylinderstock,andnondistillatefueloilisdescribedin8.8.AprocedurefortestingthefluidityofaresidualfueloilataspecifiedtemperatureisdescribedinAppendixX1.

1.2SeveralASTMtestmethodsofferingalternativeproce-duresfordeterminingpourpointsusingautomaticapparatusareavailable.NoneofthemsharethesamedesignationnumberasTestMethodD97.Whenanautomaticinstrumentisused,theASTMtestmethoddesignationnumberspecifictothetechniqueshallbereportedwiththeresults.AprocedurefortestingthepourpointofcrudeoilsisdescribedinTestMethodD5853.

1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.

2.ReferencedDocuments2.1ASTMStandards:3D117GuideforSampling,TestMethods,andSpecifica-tionsforElectricalInsulatingOilsofPetroleumOrigin

ThistestmethodisunderthejurisdictionofASTMCommitteeD02onPetroleumProductsandLubricantsandisthedirectresponsibilityofSubcommitteeD02.07onFlowProperties.

CurrenteditionapprovedJune1,2005.PublishedJuly2005.Originallyapprovedin1927,replacingD47.Lastpreviouseditionapprovedin2004asD97–04.IntheIP,thistestmethodisunderthejurisdictionoftheStandardizationCommittee.ThistestmethodwasadoptedasajointASTM-IPStandardin1965.2StatementsdefiningthistestanditssignificancewhenappliedtoelectricalinsulatingoilsofmineraloriginwillbefoundinGuideD117.3ReagentChemicals,AmericanChemicalSocietySpecifications,AmericanChemicalSociety,Washington,DC.ForsuggestionsonthetestingofreagentsnotlistedbytheAmericanChemicalSociety,seeAnnualStandardsforLaboratoryChemicals,BDHLtd.,Poole,Dorset,U.K.,andtheUnitedStatesPharmacopeiaandNationalFormulary,U.S.PharmacopeialConvention,Inc.(USPC),Rockville,MD.

1D396SpecificationforFuelOils

D1659TestMethodforMaximumFluidityTemperatureofResidualFuelOil4D2500TestMethodforCloudPointofPetroleumProductsD3245TestMethodforPumpabilityofIndustrialFuelOilsD5853TestMethodforPourPointofCrudeOils

E1SpecificationforASTMLiquid-in-GlassThermometers2.2EnergyInstituteStandards:

SpecificationsforIPStandardThermometers53.Terminology3.1Definitions:

3.1.1blackoil,n—lubricantcontainingasphalticmaterials.Blackoilsareusedinheavy-dutyequipmentapplications,suchasminingandquarrying,whereextraadhesivenessisdesired.3.1.2cylinderstock,n—lubricantforindependentlylubri-catedenginecylinders,suchasthoseofsteamenginesandaircompressors.Cylinderstockarealsousedforlubricationofvalvesandotherelementsinthecylinderarea.

3.1.3pourpoint,n—inpetroleumproducts,thelowesttemperatureatwhichmovementofthetestspecimenisobservedunderprescribedconditionsoftest.

3.1.4residualfuel,n—aliquidfuelcontainingbottomsremainingfromcrudedistillationorthermalcracking;some-timesreferredtoasheavyfueloil.

3.1.4.1Discussion—ResidualfuelscompriseGrades4,5,and6fueloils,asdefinedinSpecificationD396.

4.SummaryofTestMethod

4.1Afterpreliminaryheating,thesampleiscooledataspecifiedrateandexaminedatintervalsof3°Cforflowcharacteristics.Thelowesttemperatureatwhichmovementofthespecimenisobservedisrecordedasthepourpoint.

Withdrawn.

MethodsforAnalysisandTesting,IPStandardsforPetroleumanditsProducts,PartI,Vol2.

54*ASummaryofChangessectionappearsattheendofthisstandard.

Copyright©ASTMInternational,100BarrHarborDrive,POBoxC700,WestConshohocken,PA19428-2959,UnitedStates.

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NOTE—Dimensionsareinmillimetres(nottoscale).

FIG.1ApparatusforPourPointTest

5.SignificanceandUse

5.1Thepourpointofapetroleumspecimenisanindexofthelowesttemperatureofitsutilityforcertainapplications.6.Apparatus

6.1TestJar,cylindrical,ofclearglass,flatbottom,33.2to34.8-mmoutsidediameter,and115to125mminheight.Theinsidediameterofthejarcanrangefrom30.0to32.4mm,withintheconstraintthatthewallthicknessbenogreaterthan1.6mm.Thejarshallhavealinetoindicateasampleheight5463mmabovetheinsidebottom.SeeFig.1.

6.2Thermometers,havingthefollowingrangesandcon-formingtotherequirementsprescribedinSpecificationE1forthermometers:

Temperature

Thermometer

HighcloudandpourLowcloudandpourMeltingpoint

Range−38to+50°C−80to+20°C+32to+127°C

ThermometerNumberASTMIP5C1C6C2C61C63C

6.7)sothatnotmorethan25mmprojectsoutofthecooling

medium,andshallbecapableofbeingcleaned.

6.5Disk,corkorfelt,6mmthicktofitlooselyinsidethejacket.

6.6Gasket,tofitsnuglyaroundtheoutsideofthetestjarandlooselyinsidethejacket.Thegasketmaybemadeofrubber,leather,orothermaterialthatiselasticenoughtoclingtothetestjarandhardenoughtoholditsshape.Itspurposeistopreventthetestjarfromtouchingthejacket.

6.7BathorBaths,maintainedatprescribedtemperatureswithafirmsupporttoholdthejacketvertical.Therequiredbathtemperaturesmaybeobtainedbyrefrigerationifavail-able,otherwisebysuitablefreezingmixtures.Freezingmix-turescommonlyusedfortemperaturesdowntothoseshownareasfollows:

Iceandwater

CrushediceandsodiumchloridecrystalsCrushediceandcalciumchloridecrystals

Acetoneorpetroleumnaphtha(seeSection6)chilled

inacoveredmetalbeakerwithanice-saltmixtureto−12°Cthenwithenoughsolidcarbondioxidetogivethedesiredtem-perature.

ForTempera-turesDown

9°C−12°C−27°C−57°C

6.2.1Sinceseparationofliquidcolumnthermometersocca-sionallyoccursandmayescapedetection,thermometersshouldbecheckedimmediatelypriortothetestandusedonlyiftheyproveaccuratewithin61°C(forexampleicepoint).6.3Cork,tofitthetestjar,boredcentrallyforthetestthermometer.

6.4Jacket,watertight,cylindrical,metal,flat-bottomed,11563-mmdepth,withinsidediameterof44.2to45.8mm.Itshallbesupportedinaverticalpositioninthecoolingbath(see

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7.ReagentsandMaterials

7.1Thefollowingsolventsoftechnicalgradeareappropri-ateforlow-temperaturebathmedia.

7.1.1Acetone,(Warning—Extremelyflammable).7.1.2Alcohol,Ethanol(Warning—Flammable).

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7.1.3Alcohol,Methanol(Warning—Flammable.Vaporharmful).

7.1.4PetroleumNaphtha,(Warning—Combustible.Vaporharmful).

7.1.5SolidCarbonDioxide,(Warning—Extremelycold−78.5°C).

8.Procedure

8.1Pourthespecimenintothetestjartothelevelmark.Whennecessary,heatthespecimeninawaterbathuntilitisjustsufficientlyfluidtopourintothetestjar.

NOTE1—Itisknownthatsomematerials,whenheatedtoatemperaturehigherthan45°Cduringthepreceding24h,donotyieldthesamepourpointresultsaswhentheyarekeptatroomtemperaturefor24hpriortotesting.Examplesofmaterialswhichareknowntoshowsensitivitytothermalhistoryareresidualfuels,blackoils,andcylinderstocks.

8.1.1Samplesofresidualfuels,blackoils,andcylinderstockswhichhavebeenheatedtoatemperaturehigherthan45°Cduringthepreceding24h,orwhenthethermalhistoryofthesesampletypesisnotknown,shallbekeptatroomtemperaturefor24hbeforetesting.Sampleswhichareknownbytheoperatornottobesensitivetothermalhistoryneednotbekeptatroomtemperaturefor24hbeforetesting.

8.1.2Experimentalevidencesupportingeliminationofthe24-hwaitingperiodforsomesampletypesiscontainedinaresearchreport.68.2Closethetestjarwiththecorkcarryingthehigh-pourthermometer(5.2).Inthecaseofpourpointsabove36°C,useahigherrangethermometersuchasIP63CorASTM61C.Adjustthepositionofthecorkandthermometersothecorkfitstightly,thethermometerandthejararecoaxial,andthethermometerbulbisimmersedsothebeginningofthecapillaryis3mmbelowthesurfaceofthespecimen.

8.3Forthemeasurementofpourpoint,subjectthespeci-meninthetestjartothefollowingpreliminarytreatment:8.3.1SpecimensHavingPourPointsAbove−33°C—Heatthespecimenwithoutstirringto9°Cabovetheexpectedpourpoint,buttoatleast45°C,inabathmaintainedat12°Cabovetheexpectedpourpoint,butatleast48°C.Transferthetestjartoawaterbathmaintainedat24°Candcommenceobserva-tionsforpourpoint.

8.3.2SpecimensHavingPourPointsof−33°CandBelow—Heatthespecimenwithoutstirringto45°Cinabathmaintainedat48°Candcoolto15°Cinawaterbathmain-tainedat6°C.Removethehighcloudandpourthermometer,andplacethelowcloudandpourthermometerinposition.8.4Seethatthedisk,gasket,andtheinsideofthejacketarecleananddry.Placethediskinthebottomofthejacket.Placethegasketaroundthetestjar,25mmfromthebottom.Insertthetestjarinthejacket.Neverplaceajardirectlyintothecoolingmedium.

8.5Afterthespecimenhascooledtoallowtheformationofparaffinwaxcrystals,takegreatcarenottodisturbthemassofspecimennorpermitthethermometertoshiftinthespecimen;anydisturbanceofthespongynetworkofwaxcrystalswillleadtolowanderroneousresults.

8.6Pourpointsareexpressedinintegersthatarepositiveornegativemultiplesof3°C.Begintoexaminetheappearanceofthespecimenwhenthetemperatureofthespecimenis9°Cabovetheexpectedpourpoint(estimatedasamultipleof3°C).Ateachtestthermometerreadingthatisamultipleof3°Cbelowthestartingtemperatureremovethetestjarfromthejacket.Toremovecondensedmoisturethatlimitsvisibilitywipethesurfacewithacleanclothmoistenedinalcohol(ethanolormethanol).Tiltthejarjustenoughtoascertainwhetherthereisamovementofthespecimeninthetestjar.Thecompleteoperationofremoval,wiping,andreplacementshallrequirenotmorethan3s.

8.6.1Ifthespecimenhasnotceasedtoflowwhenitstemperaturehasreached27°C,transferthetestjartothenextlowertemperaturebathinaccordancewiththefollowingschedule:

SpecimenSpecimenSpecimenSpecimenSpecimen

isisisisisatatatatat

+27°C,moveto0°Cbath+9°C,moveto−18°Cbath−6°C,moveto−33°Cbath−24°C,moveto−51°Cbath−42°C,moveto−69°Cbath

8.6.2Assoonasthespecimeninthejardoesnotflowwhentilted,holdthejarinahorizontalpositionfor5s,asnotedbyanaccuratetimingdeviceandobservecarefully.Ifthespeci-menshowsanymovement,replacethetestjarimmediatelyinthejacketandrepeatatestforflowatthenexttemperature,3°Clower.

8.7Continueinthismanneruntilapointisreachedatwhichthespecimenshowsnomovementwhenthetestjarisheldinahorizontalpositionfor5s.Recordtheobservedreadingofthetestthermometer.

8.8Forblackspecimen,cylinderstock,andnondistillatefuelspecimen,theresultobtainedbytheproceduredescribedin8.1through8.7istheupper(maximum)pourpoint.Ifrequired,determinethelower(minimum)pourpointbyheat-ingthesamplewhilestirring,to105°C,pouringitintothejar,anddeterminingthepourpointasdescribedin8.4through8.7.8.9Somespecificationsallowforapass/failtestorhavepourpointlimitsattemperaturesnotdivisibleby3°C.Inthesecases,itisacceptablepracticetoconductthepourpointmeasurementaccordingtothefollowingschedule:Begintoexaminetheappearanceofthespecimenwhenthetemperatureofthespecimenis9°Cabovethespecificationpourpoint.Continueobservationsat3°Cintervalsasdescribedin8.6and8.7untilthespecificationtemperatureisreached.Reportthesampleaspassingorfailingthespecificationlimit.

9.CalculationandReport

9.1Add3°Ctothetemperaturerecordedin8.7andreporttheresultasthePourPoint,ASTMD97.Forblackoil,andsoforth,add3°Ctothetemperaturerecordedin8.7andreportthe

SupportingdatahavebeenfiledatASTMInternationalHeadquartersandmaybeobtainedbyrequestingResearchReportRR:D02-1377.

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resultasUpperPourPoint,ASTMD97,orLowerPourPoint,ASTMD97,asrequired.

10.PrecisionandBias

10.1LubricatingOilandDistillateandResidualFuelOil.710.1.1Repeatability—Thedifferencebetweensuccessivetestresults,obtainedbythesameoperatorusingthesameapparatusunderconstantoperatingconditionsonidenticaltestmaterial,wouldinthelongrun,inthenormalandcorrectoperationofthistestmethod,exceed3°Conlyinonecaseintwenty.Differencesgreaterthanthisshouldbeconsideredsuspect.

10.1.2Reproducibility—Thedifferencebetweentwosingleandindependenttestresults,obtainedbydifferentoperators

ThecloudpointprocedureformerlypartofthistestmethodnowappearsasTestMethodD2500.

7workingindifferentlaboratoriesonidenticaltestmaterial,wouldinthelongrun,inthenormalandcorrectoperationofthistestmethod,exceed6°Conlyinonecaseintwenty.Differencesgreaterthanthisshouldbeconsideredsuspect.10.2Bias—Therebeingnocriteriaformeasuringbiasinthesetest-productcombinations,nostatementofbiascanbemade.

10.3Theprecisionstatementswerepreparedwithdataontennew(unused)mineraloil-basedlubricantsandsixteenassortedfueloilstestedbytwelvecooperators.Themineraloil-basedlubricantshadpourpointsrangingfrom−48to−6°Cwhilethefueloilshadpourpointsrangingfrom−33to+51°C.Thefollowingprecisiondatawereobtained:

MineralOilLubricants

95%ConfidenceRepeatability,°CReproducibility,°C

2.876.43

FuelOils

2.526.59

APPENDIX

(NonmandatoryInformation)

X1.TESTFORFLUIDITYOFARESIDUALFUELOILATASPECIFIEDTEMPERATURE

X1.1General

X1.1.1Thelow-temperatureflowpropertiesofawaxyfueloildependonhandlingandstorageconditions.Thus,theymaynotbetrulyindicatedbypourpoint.Thepourpointtestdoesnotindicatewhathappenswhenanoilhasaconsiderableheadofpressurebehindit,suchaswhengravitatingfromastoragetankorbeingpumpedalongapipeline.Failuretoflowatthepourpointisnormallyattributedtotheseparationofwaxfromthefuel;however,itcanalsobeduetotheeffectofviscosityinthecaseofveryviscousfueloils.Inadditionpourpointsofresidualfuelsareinfluencedbythepreviousthermalhistoryofthespecimens.Alooselyknitwaxstructurebuiltuponcoolingoftheoilcanbenormallybrokenbytheapplicationofrelativelylittlepressure.

X1.1.2Theusefulnessofthepourpointtestinrelationtoresidualfueloilsisopentoquestion,andthetendencytoregardthepourpointasthelimitingtemperatureatwhichafuelwillflowcanbemisleading.Theproblemofaccuratelyspecifyingthehandlingbehavioroffueloilisimportant,andbecauseofthetechnicallimitationsofthepourpointtest,variouspumpabilitytestshavebeendevisedtoassessthelow-temperatureflowcharacteristicsofheavyresidualfueloils.TestMethodD3245isonesuchmethod.However,mostalternativemethodstendtobetime-consumingandassuchdonotfindreadyacceptanceasroutinecontroltestsfordetermin-inglow-temperatureflowproperties.Onemethodwhichisrelativelyquickandeasytoperformandhasfoundlimitedacceptanceasa“go-no-go”methodisbasedontheappendixmethodtotheformerTestMethodD1659–65.Themethodisdescribedasfollows.

X1.2Scope

X1.2.1Thismethodcoversthedeterminationofthefluidityofaresidualfueloilataspecifiedtemperatureinanas-receivedcondition.

X1.3Definition

X1.3.1fluiditytemperature—thesamplewhentestedinanas-receivedconditionisconsidered“fluidatthetemperatureofthetest”ifitwillflow2mmin1minina12.5mmU-tubeunderamaximumpressureof152mmofmercury.

X1.4SummaryofTestMethod

X1.4.1Asampleoffuelinitsas-receivedconditioniscooledatthespecifiedtemperaturefor30mininthestandardU-tubeandistestedformovementunderprescribedpressureconditions.

X1.5SignificanceandUse

X1.5.1Thismethodmaybeusedasa“go-no-go”procedureforoperationalsituationswhereitisnecessarytoascertainthefluidityofaresidualoilunderprescribedconditionsinanas-receivedcondition.Theconditionsofthismethodsimulatethoseofapumpingsituationwheretheoilisexpectedtoflowthrougha12-mmpipeunderslightpressureataspecifiedtemperature.Fluidity,likeTestMethodD97,isusedtodefinecoldflowproperties.ItdiffersfromD97,however,inthat(1)itisrestrictedtoresidualfueloiland(2)aprescribedpressureisappliedtothesample.ThelatterrepresentsanattempttoovercomethetechnicallimitationsofthePourPointMethodwheregravity-inducedflowisthecriterion.TestMethod

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NOTE—Alldimensionsareinmillimetres

FIG.X1.1DispositionofU-tubeinFluidityTemperatureTestBath

D3245,representsanothermethodforpredictingfieldperfor-manceincoldflowconditions.TestMethodD3245,however,doeshavelimitationsandmaynotbesuitableforusewithverywaxyfueloilswhichsolidifysorapidlyinthechillingbaththatareadingcannotbeobtainedundertheconditionsofthetest.Itisalsoatime-consumingtestandthereforenotsuitableforroutinecontroltesting.

X1.6Apparatus

X1.6.1GlassU-Tubes,150mmhigh,havingauniforminternaldiameterof12.561mmandaradiusofcurvature,measuredtotheoutsidecurveofthetubeof35mm(Fig.X1.1).

X1.6.2Thermometers—Thermometershavingarangefrom−38to+50°CandconformingtotherequirementsofTher-5

mometer5CasprescribedinSpecificationE1,shallbeusedforinsertionintheglassU-tubesandformeasuringthetemperaturesofthebaths.

X1.6.3FluidityTemperatureTestBath,8consistsofareservoir,astirrer,andamotorandpumptocirculatecoolantthroughthecoilsofthetubingplacedinthebottomofthetestbathandpassingthroughthecoldbath.Theflowofcoolantthroughthesecoilscanbecontrolledbyathermostatandasolenoidvalve.Itispossiblethat,wherejustifiedbythequantityofwork,morethanonesuchbathcouldbeutilizedtopermitconcurrenttestingatmorethanonetemperature(Fig.X1.2).

8Akinematicviscositybathisusuallysatisfactory.

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FIG.X1.2FluidityTemperatureApparatus

X1.6.4MercuryManometercalibratedin10-mmdivisionswithadistinguishingmarkat152mm(equivalentto20.3kPa).X1.6.5AutomaticVacuumController9(asshowninFig.X1.3andFig.X1.4)—AdevicethatgraduallyincreasedthevacuumappliedtooneendoftheU-tubeatthespecifiedrateof10mm/4S.

X1.7PreparationofApparatus

X1.7.1Adjusttheautomaticvacuumcontrollerasfollows:closethestopcockonthetubeconnectingtheautomaticvacuumcontrollertothefluiditytester.Apinchcockontherubbertubewillserveaswellasastopcock.Windthethreadattachedtothesteelrodaroundthepulleyonthesynchronousmotoruntiltheendoftherodisabout15mmabovethezerolevelofthemercuryinthecontrolmanometer.Turnonthepowerswitch.Thethreadwillbegintounwind,loweringthesteelrod.Whentherodcontactsthemercury,therelaywill

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Thisapparatusmaybeshopfabricated.DetailsofspecialpartsareindicatedinFigs.X1.3andX1.4.Alternativelytheapparatuscanbepurchased.

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1—26-mmdiameterfacepulley2—Thread3—Steelrod4—Switch-DPST5—Tee,90-mmlong6—Needlevalve

7—Rubberorplastictubing

8—6-mmheat-resistantglasstube9—Solenoidvalve10—Electricrelay

11—Electriccordtooutlet12—Synchronousmotor

13—Plywoodofapproximately10-mmthickness14—Millimeterscale15—4-Lbottle

16—0.5-mmheat-resistantglasscapillary17—Tovacuumline18—Rodholder

FIG.X1.3AssemblyAutomaticVacuumControllerApparatus

openthesolenoidvalveinthevacuumlineandairwillbepumpedfromthesystemataratelimitedbytheneedlevalve.Adjustthisneedlevalveuntilthedescendingmercuryinthecontrolmanometerjustleadstherod,reducingtherelayoperationtoaminimum.Whenproperlyadjusted,thepulsa-tionscausedbytheopeningandclosingofthesolenoidvalveshouldnotexceed61mm.Inthismannerthepressureinthe

systemwillbereducedgraduallyatarategovernedbythedescentofthesteelrod.

X1.8Procedure

X1.8.1PourthesampleasreceivedintoathoroughlycleanedanddrystandardfluidityU-tube,withoutcontactingtheupperwallsofthetube,untiltheverticalheightofthe

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FIG.X1.4DetailofAutomaticVacuumController

sampleintheU-tubeis38mm.InsertinonelegofeachU-tubeanASTMThermometer5Cinacorkthathasbeengroovedtopermitthepassageofair.Thethermometermustbeplacedinthecenterofthetubeanditsbulbimmersedsothatthebeginningofthecapillaryis3mmbelowthesurfaceofthespecimen.

X1.8.2Fixthetubeinthebathsetatthespecifictempera-ture,immersedtoadepthofapproximately75mm.Controlthebathandsampletemperatureswithin61°Cand60.5°C,respectively,ofthespecifiedtemperatureofthetest.

X1.8.3Maintainthesampleatthespecifiedtemperaturefor30min630s,withtheU-tubeconnectedtotheautomaticvacuumcontroller,andthestopcockorpinch-clampopen.Windthethreadonthepulleyattachedtothesynchronousmotor.TurnthepowerswitchtotheONposition.ApplysuctionautomaticallytotheU-tubeattheprescribedrate.Observeanymovementofthespecimenduringaone-minuteintervalwhichisthetimerequiredtoapply152-mmHgvacuumtothespecimenintheU-tube.ImmediatelydisconnecttheU-tubefromtheautomaticvacuumcontroller,turnoffthepowerswitchandrewindthethread.Ifthespecimenhas

moved2mmormoreduringthetime(1min)thesuctionwasapplied,thespecimenisconsideredfluidatthetemperatureofthetest.X1.9Report

X1.9.1Reportthefluidityofthesampleataspecifiedtemperatureasfollows:

X1.9.1.1Ifthesamplefulfillstheconditionsofflow,asdefinedinX1.3.1,reportfluidity:“Fluidat(temperatureoftest)”orfluidityat(temperatureoftest):“Pass.”

X1.9.1.2Ifthesampledoesnotfulfilltheconditionsofflow,asdefinedinX1.3.1,reportfluidity:“Notfluidat(temperatureoftest)”orfluidityat(temperatureoftest):“Fail.”X1.10PrecisionandBias

X1.10.1Asinthecaseofpass-faildata,nostatementismadeabouteithertheprecisionorthebiasofthismethodformeasuringthefluidityofaresidualfuelspecimensincetheresultmerelystateswhetherthereisconformancetothecriteriaforsuccessspecifiedintheprocedure.

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SUMMARYOFCHANGES

SubcommitteeD02.07hasidentifiedthelocationofselectedchangestothisstandardsincethelastissue(D97–04)thatmayimpacttheuseofthisstandard.

(1)AddedTestMethodD5853totheScopeandReferencedDocumentssections.

ASTMInternationaltakesnopositionrespectingthevalidityofanypatentrightsassertedinconnectionwithanyitemmentionedinthisstandard.Usersofthisstandardareexpresslyadvisedthatdeterminationofthevalidityofanysuchpatentrights,andtheriskofinfringementofsuchrights,areentirelytheirownresponsibility.

Thisstandardissubjecttorevisionatanytimebytheresponsibletechnicalcommitteeandmustbereviewedeveryfiveyearsandifnotrevised,eitherreapprovedorwithdrawn.YourcommentsareinvitedeitherforrevisionofthisstandardorforadditionalstandardsandshouldbeaddressedtoASTMInternationalHeadquarters.Yourcommentswillreceivecarefulconsiderationatameetingoftheresponsibletechnicalcommittee,whichyoumayattend.IfyoufeelthatyourcommentshavenotreceivedafairhearingyoushouldmakeyourviewsknowntotheASTMCommitteeonStandards,attheaddressshownbelow.

ThisstandardiscopyrightedbyASTMInternational,100BarrHarborDrive,POBoxC700,WestConshohocken,PA19428-2959,UnitedStates.Individualreprints(singleormultiplecopies)ofthisstandardmaybeobtainedbycontactingASTMattheaboveaddressorat610-832-9585(phone),610-832-9555(fax),orservice@astm.org(e-mail);orthroughtheASTMwebsite(www.astm.org).

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