Designation:D850−18´1StandardTestMethodforDistillationofIndustrialAromaticHydrocarbonsandRelatedMaterials1ThisstandardisissuedunderthefixeddesignationD850;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.ε1NOTE—Editorialcorrectionsweremadein12.1and12.2inSeptember2018.1.Scope*1.1Thistestmethodcoversthedistillationofindustrialaromatichydrocarbonsandrelatedmaterialsofrelativelynarrowboilingrangesfrom30to250°C.1.2Thefollowingappliestoallspecifiedlimitsinthistestmethod:forthepurposesofdeterminingconformancetothistestmethod,anobservedorcalculatedvalueshallberoundedoff“tothenearestunit”inthelastright-handdigitusedinexpressingthespecificationlimit,inaccordancewiththerounding-offmethodofPracticeE29.1.3Warning—MercuryhasbeendesignatedbyEPAandmanystateagenciesasahazardousmaterialthatcancausecentralnervoussystem,kidneyandliverdamage.Mercury,oritsvapor,maybehazardoustohealthandcorrosivetomaterials.Cautionshouldbetakenwhenhandlingmercuryandmercury-containingproducts.SeetheapplicableproductSafetyDataSheet(SDS)fordetailsandEPA’swebsite(http://www.epa.gov/mercury/faq.htm)foradditionalinformation.Usersshouldbeawarethatsellingmercuryormercury-containingproducts,orboth,inyourstatemaybeprohibitedbystatelaw.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardstatements,see6.5.2,6.6.1andSection7.1.6Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinci...