1、249aboutin.(1.3cm)inwidthand3in.(7.5cm)in length,shallbeplacedinaclean glasstesttube.Sufficientofthesampletobetestedshallbeaddedtocoverthestripcompletelyand heatedrapidlytoboiling.Thesampleshallbekeptboilingfor30miiiwithoutanyactualdistillationtakingplaceandthecopperstripthenexaminedforblackening.As
2、lighttarnishshallbedisregarded,butanymarkedblackeningshallbecauseforrejection.(d)Distijajjon.MethodofTestforDistillationofGasoline,Naphtha,Kerosine,andSimilarPetroleumProducts(ASTMDesignation:D86).(e)Acidity.Thecooledresiduefromthedistillationflaskshallbecollectedinatesttube,threevolumesofdistilledw
3、ateradded,and thecontentsshakenthoroughly.Themixtureshallbeallowedtoseparate andtheaqueouslayerremovedtoacleantesttubebymeansofapipet.Onedropofa1per centsolutionofmethylorangeshallbeadded.Nopinkorredcolorshallbeformed.NOTE.Footnote4wasaddededitoriallyinNovember,1958.Scope1.Thesespecificationsapply o
4、nlytopetroleumdistillatesusedasthinnersforslow-settingpaintsandvarnishes.Properties2.Thematerialshallconformtothefollowingrequirements:clearandfreeofsuspendedmatterandwaterwaterwhite,notdarkerthanNo.21SayboltChromometer126F(51.5C)shallnotblackenorcorrodecleanmetalliccopperin30mmatboilingpointofspiri
5、tsDistillation:Initialboilingpoint,mm340F(171C)95percent(byvolume)460F(238 C)Endpoint,max.485F(251.5C)Acidityofdistillationresidueneutral1UnderthestandardizationprocedureoftheSociety,thesespecificationsareunderthejurisdictionoftheA.STJ4CommitteeD-1onPaint,Varnish,Lacquer,andRelatedProducts.Acceptedb
6、ytheSocietyattheAnnualMeeting,June,1948.MethodsofTesling3.The propertiesenumeratedinthesespecificationsshallbedeterminedinaccordancewiththefollowingmethodsoftest:(a)Color.MethodofTestforSayboltColor ofRefinedPetroleumProducts(SayboltChromometerMethod)(ASTMDesignation:D156).2Afreshaqueoussolutionofpo
7、tassiumdichromateindistilledwater,containing0.0048gofK,Cr,O7perliter,isapproximatelyequivalenttocolorNo.21SayboltChromometer.(b)FlashPoint.MethodofTestforFlashPointbyTagClosedTester(ASTMDesignation:D56).(c)Blackenng.4Acleanstripofmechanicallypolished puresheetcopper,1958BookofASTMStandards,Part7.App
8、earsinthis publication,seeContentsinNumericSequenceofASTMDesignationsatfrontofbook.Arevised procedureforthistestforblack.eningisdescribedintheMethodof TestforCopperCorrosionbyMineralSpirits(CopperStripTest)(ASTMDesignation:D1616),seep.363.ArevisionoftheseSpecificationsD965toreferto MethodD1616isunde
9、rconsiderationbythecommittee.SPECrnCATIONSFORHEAVYPETROLEUMSPSRITS(D96548T)TentativeSpecificationsforHEAVYPETROLEUMSPIRITS(HEAVYMINERALSPIRITS)1*ASTMDesignation:D965-48TISSUED,1948.TheseTentativeSpecificationshavebeenapprovedbythesponsoringcommitteeand acceptedbytheSocietyinaccordancewithestablishedprocedures,forusependingadoptionasstandard.SuggestionsforrevisionsshouldbeaddressedtotheSocietyat1916RaceSt.,Philadelphia3,Pa.AppearanceColorFlashpoint,mmBlackeningV(P1-.I)248
