【英文标准名称】:StandardSpecificationforLaboratoryGlassGraduatedCylinders
【原文标准名称】:实验室玻璃量筒标准规范
【标准号】:ASTME1272-2002(2007)
【标准状态】:现行
【国别】:
【发布日期】:2002
【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】:E41.01
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:筒;玻璃;有刻度的;实验室
【英文主题词】:cylinders;glass;graduated;laboratory
【摘要】:1.1Thisspecificationcoversrequirementsforglassgraduatedcylindersforprecisionandgeneralpurposegradessuitableforlaboratorypurposes.1.1.1ClassAEachcylinderofprecisiongradeshallbemarkedwiththeletter"A''''tosignifycompliancewithapplicableconstructionandaccuracyrequirements.Cylindersmaybemarkedwithanidentificationnumber(serialnumber)attheoptionofthemanufacturer.1.1.2ClassBGeneralpurposecylindersareofthesamebasicdesignasClassAcylinders.However,volumetrictolerancesforClassBcylindersshallbewithintwicethespecifiedrangeallowedforClassAcylinders.Thesecylindersneednotbemarkedwiththeirclassdesignation.1.1.3ProductwithastatedcapacitynotlistedinthisstandardmaybespecifiedinclassAtolerancewhenproductconformstothetolerancerangeofthenextsmallervolumetricstandardproductlistedinTable1.
【中国标准分类号】:N64
【国际标准分类号】:71_040_20
【页数】:2P.;A4
【正文语种】:
【英文标准名称】:StandardTestMethodforOxidationStabilityofLubricantsbyThin-FilmOxygenUptake(TFOUT)CatalystB
【原文标准名称】:用薄膜氧气吸收(TFOUT)催化剂B测定润滑剂氧化稳定性的标准试验方法
【标准号】:ASTMD7098-2008e1
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:D02.09.0G
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:oxidationstability;sequenceIIIEenginesimulation;TFOUT;Lubricants;Oxidationstability;Thin-filmoxygenuptake(TFOUT)
【摘要】:Thistestmethodwasoriginallydevelopedtoevaluateoxidationstabilityoflubricatingbaseoilscombinedwithadditiveschemistriessimilartothosefoundingasolineengineoilsandservice.Thistestmethodisusefulforscreeningformulatedoilsbeforeenginetests.Withinsimilaradditivechemistriesandbaseoiltypes,therankingofoilsinthistestappearstobepredictiveofrankingincertainenginetests.Whenoilshavingdifferentadditivechemistriesorbaseoiltypearecompared,resultsmayormaynotreflectresultsinenginetests.Onlygasolineengineoilswereusedingeneratingtheprecisionstatementsinthistestmethod.1.1Thistestmethodcoverstheoxidationstabilityoflubricantsbythin-filmoxygenuptake(TFOUT)CatalystB.Thistestmethodevaluatestheoxidationstabilityofpetroleumproducts,anditwasoriginallydevelopedasascreeningtesttoindicatewhetheragivenre-refinedbasestockcouldbeformulatedforuseasautomotiveengineoil(seeTestMethodD4742).Thetestisrunat160x00B0;Cinapressurevesselunderoxygenpressure,andthesamplecontainsametalcatalystpackage,afuelcatalyst,andwatertopartiallysimulateoilconditionsinanoperatingengine.Inaddition,thetestmethodhassincebeenfoundbroadlyusefulasanoxidationtestofpetroleumproducts.1.2Theapplicablerangeoftheinductiontimeisfromafewminutesuptoseveralhundredminutesormore.However,therangeofinductiontimesusedfordevelopingtheprecisionstatementsinthistestmethodwasfrom40to280min.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3.1Exception8212;Pressureunitsareprovidedinpsig,anddimensionsareprovidedininchesinAnnexA1andAnnexA2,becausethesearetheindustryacceptedstandardandtheapparatusisbuiltaccordingtothefiguresshown.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E34
【国际标准分类号】:75_100
【页数】:10P.;A4
【正文语种】:英语
基本信息
| 标准名称： | 水泥包装袋跌落试验机检定规程 |
| 发布日期： | |
| 实施日期： | 1991-01-01 |
| 首发日期： | |
| 作废日期： | |
| 出版日期： | |
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