ASTM D4892-1989(2004) 固体硬沥青密度的标准试验方法(氦比重瓶比重测定法)
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【英文标准名称】:StandardTestMethodforDensityofSolidPitch(HeliumPycnometerMethod)
【原文标准名称】:固体硬沥青密度的标准试验方法(氦比重瓶比重测定法)
【标准号】:ASTMD4892-1989(2004)
【标准状态】:现行
【国别】:
【发布日期】:1989
【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】:D02.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:试验;硬沥青(石油产品);密度
【英文主题词】:density;heliumpycnometer;pitch
【摘要】:Thistestmethodisusefulincharacterizingpitchesasoneelementinestablishinguniformityofshipmentsandsourcesofsupply.Withthismethod,thedensityisdeterminedtotwodecimalplaces,whichissufficientformostapplications.Ifamoreprecisemeasurementisrequired(threedecimalplaces),useTestMethodsD2320orD71.1.1Thistestmethodcoversthedeterminationofpitchdensitybyheliumpycnometer.Itisapplicableatarangeofroomtemperaturesof15to35176C.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E43
【国际标准分类号】:75_140
【页数】:3P.;A4
【正文语种】:
Product Code:SAE AS85049/14
Title:Connector Accessories, Electrical, Backshell, Straight, Non-Self-Locking and Self-Locking, Category 3B (For MIL-DTL-38999 Series III and IV Connectors)
Issuing Committee:Ae-8c1 Connectors Committee
Scope:No Scope Available【英文标准名称】:StandardTestMethodforHydrogenContentofAviationTurbineFuelsbyLowResolutionNuclearMagneticResonanceSpectrometry
【原文标准名称】:低分辨核磁共振光谱法测定航空涡轮机燃料中氢含量的标准试验方法
【标准号】:ASTMD3701-2001(2006)
【标准状态】:现行
【国别】:
【发布日期】:2001
【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】:D02.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:试验;含量测定;航空燃料;石油产品
【英文主题词】:aviationturbinefuel;hydrogen;nuclearmagneticresonance
【摘要】:Thecombustionqualityofaviationturbinefuelhastraditionallybeencontrolledinspecificationsbysuchtestsassmokepoint(seeTestMethodD1322),smokevolatilityindex,aromaticcontentofluminometernumber(seeTestMethodD1740).Evidenceisaccumulatingthatabettercontrolofthequalitymaybeobtainedbylimitingtheminimumhydrogencontentofthefuel.Existingmethodsallowthehydrogencontenttobecalculatedfromotherparametersordeterminedbycombustiontechniques.Themethodspecifiedprovidesaquick,simple,andmoreprecisealternativetothesemethods.1.1Thistestmethodcoversthedeterminationofthehydrogencontentofaviationturbinefuels.1.2UseTestMethodsD4808forthedeterminationofhydrogeninotherpetroleumliquids.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Thepreferredunitsaremasspercenthydrogen.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Foraspecificprecautionarystatement,see.
【中国标准分类号】:E31
【国际标准分类号】:75_160_20
【页数】:4P.;A4
【正文语种】: