DIN EN ISO 3146-2002 塑料制品.采用毛细管和偏振光显微镜法对半晶状聚合物的熔化性能(熔化温度或熔化区域)的测定(ISO3146:2000);德文版本ENISO3146:2000
时间:2024-05-20 11:12:19 来源: 标准资料网 作者：标准资料网 阅读：8276
【英文标准名称】:Plastics-Determinationofmeltingbehaviour(meltingtemperatureormeltingrange)ofsemi-crystallinepolymersbycapillarytubeandpolarizing-microscopemethods(ISO3146:2000);GermanversionENISO3146:2000
【原文标准名称】:塑料制品.采用毛细管和偏振光显微镜法对半晶状聚合物的熔化性能(熔化温度或熔化区域)的测定(ISO3146:2000);德文版本ENISO3146:2000
【标准号】:DINENISO3146-2002
【标准状态】:现行
【国别】:德国
【发布日期】:2002-06
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:测定;塑料;测试;融化特性;溶化范围;测量仪器;测量技术;温度测量;试验设备;试验;熔融温度;测量;偏振;定义;光弹法;高聚物;毛细管;温度测量仪表;熔点;显微镜;热分析;结晶体
【英文主题词】:
【摘要】:Thedocumentspecifiesthreemethodsforevaluatingthemeltingbehaviourofsemi-crystallinepolymers.
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:7P;A4
【正文语种】:德语
【英文标准名称】:Productsusedfortreatmentofwaterintendedforhumanconsumption-Pumice.
【原文标准名称】:人类生活用水处理用制品.浮石
【标准号】:NFT94-411-2006
【标准状态】:现行
【国别】:法国
【发布日期】:2006-02-01
【实施或试行日期】:2006-02-05
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:化学性质;饮用水处理;过滤材料;过滤性能;液压装置;机械性能;物理性能;饮用水;浮岩;试验;处理;水;水常规;水净化;给水;水处理
【英文主题词】:
【摘要】:
【中国标准分类号】:G77
【国际标准分类号】:71_100_80
【页数】:16P;A4
【正文语种】:其他
【英文标准名称】:StandardTestMethodsforDetectingGlycol-BaseAntifreezeinUsedLubricatingOils
【原文标准名称】:检测已用润滑油中乙二醇基防冻剂的标准试验方法
【标准号】:ASTMD2982-2007
【标准状态】:现行
【国别】:美国
【发布日期】:2007
【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】:D02.06
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:glycol-baseantifreeze;glycol-basecoolant;usedlubricatingoil;Enginecoolants/concentrates;Ethyleneglycol;Glycol-baseantifreeze;Lubricatingoils;Mineraloils;Usedlubricatingoils
【摘要】:Leakageofglycol-baseantifreezeintothecrankcaseisseriousbecausethecoolanttendstointerferewiththelubricantanditsabilitytolubricate;italsopromotessludging.Ethyleneglycolpresentinthecoolantcanincreasevarnishdepositformationinthecrankcaseasaresultofglycoloxidationandtheinteractionbetweenglycolandlubricant.Furthermore,becauseglycolisahigherboilingmaterialthanwater,itwilltendtostaylongerinthecrankcaseoilthanwater.Lubricantdisplacement,sludging,anddepositformationallleadtoenginemalfunctionandpossibleseizure.Thesetestsaredesignedtodetectglycol-basecoolantcontaminationevenatlowlevelsbecauseearlydetectionenablescorrectivemeasurestobetakentopreventleakingcoolantfromaccumulatingandseriouslydamagingtheengine.Thesetestmethodsarealsosignificantbecausethereagentscanbepackagedasafieldkit,andtheprocedurecanbefollowedatthesitewherethereisaconcern.1.1Thesetestmethodscoverthequalitativedeterminationofglycol-baseantifreezeinusedlubricatingoils(mineralbase)bytwoprocedures,oneusingreagentsintabletformandtheotherusinglaboratoryshelfreagents.Principallythetestmethodsdetectethyleneglycolbutwillalsodetectother1,2-glycolsthatmaybepresent.1.1.1Whenapositiveresultisobtainedandasampleoftheunusedoilisavailable,theunusedoilisalsotestedandusedasareference.Note18212;Sincetheinceptionofthistestmethod(1971),therehavebeenmanychangesinbasestocktechnologyandadditivetechnology.Therefore,whenavailable,thenew,unusedoil,orasampleofthesameusedoil,knowntonotcontainantifreeze,istestedasareference.1.2Thetabletprocedure(ProcedureA)issensitivetoabout100mg/kgandtheshelfreagentprocedure(ProcedureB)toabout300mg/kgofethyleneglycol.1.3Glycol-basedcoolantleaksintocrankcasesmaynotbedetectedormayresultinalowbiasusingthesetestmethodsiftheglycolhasdegradedorbeenthermallyorotherwiseoxidized.Theconditionsincrankcasesmaybesuchthatcontaminantglycolsareoxidizedordegradedtoadegreetowhichthecolorindicatorreactiondoesnotoccurorisbiasedenoughsoastonottriggerthecolorchange.Othertestmethodsforthedetectionofcoolantsorcoolantadditivesinlubricatingoilsshouldbeusediftheresultsfromthesetestmethodsaloneareinconclusiveorquestionable.1.4Carbohydratessuchassugarsandsugar-containingsubstancesaresometimesusedforsabotagepurposes.Ifthepresenceofthesesubstancesissuspected,ProcedureAcontainsamodificationtoremovetheseinterferences.1.5Bothproceduresareadaptabletofieldkituse,andbriefdescriptionsforconvertingtofieldkitformaregiveninAnnexA1.Commercialfieldtestingkitsareavailable.,1.6Theresultsobtainedbythismethodarequalitativeexpressions.However,forthepreparationofreagentsandintheprocedures,acceptableSIunitsaretoberegardedasthestandard.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E34
【国际标准分类号】:75_100
【页数】:5P.;A4
【正文语种】:英语