ASTM D1747-2009 粘性材料折射指数的标准试验方法

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【英文标准名称】:StandardTestMethodforRefractiveIndexofViscousMaterials
【原文标准名称】:粘性材料折射指数的标准试验方法
【标准号】:ASTMD1747-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D02.04.0D
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:oils;purity;refractiveindex;refractometer;wax;Compositionanalysis--petroleumproducts;Hydrocarbons;Refractiveindex;Viscousliquids/materials
【摘要】:Refractiveindexisafundamentalphysicalpropertythatcanbeusedinconjunctionwithotherpropertiestocharacterizepurehydrocarbonsandtheirmixtures.Theuseofrefractiveindexincorrelativemethodsforthedeterminationofthegrosscompositionofviscousoilsandwaxesoftenrequiresitsmeasurementatelevatedtemperatures.1.1Thistestmethodcoversthemeasurementofrefractiveindexes,accuratetotwounitsinthefourthdecimalplace,oftransparentandlight-coloredviscoushydrocarbonliquidsandmeltedsolidsthathaverefractiveindexesintherangebetween1.33and1.60,andattemperaturesfrom80to100x00B0;C.Temperatureslowerthan80x00B0;Ccanbeusedprovidedthatthemeltingpointofthesampleisatleast10x00B0;Cbelowthetesttemperature.1.2Thistestmethodisnotapplicable,withintheaccuracystated,toliquidshavingcolorsdarkerthanASTMColorNo.4,ASTMcolorasdeterminedbyTestMethodD1500,toliquidswhichsmokeorvaporizereadilyatthetesttemperature,ortosolidsmeltingwithin10x00B0;Cofthetesttemperature.Note18212;Theinstrumentcanbesuccessfullyusedforrefractiveindicesabove1.60;butsincecertifiedliquidstandardsforrangesabove1.60arenotyetavailable,theaccuracyofmeasurementundertheseconditionshasnotbeenevaluated.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Warningx2014;MercuryhasbeendesignatedbyEPAandmanystateagenciesasahazardousmaterialthatcancausecentralnervoussystem,kidney,andliverdamage.Mercury,oritsvapor,maybehazardoustohealthandcorrosivetomaterials.Cautionshouldbetakenwhenhandlingmercuryandmercury-containingproducts.SeetheapplicableproductMaterialSafetyDataSheet(MSDS)fordetailsandEPAx2019;swebsite(http://www.epa.gov/mercury/faq.htm)foradditionalinformation.Usersshouldbeawarethatsellingmercuryormercury-containingproducts,orboth,inyourstatemaybeprohibitedbystatelaw.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q27
【国际标准分类号】:75_080
【页数】:6P.;A4
【正文语种】:英语