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ASTM UOP688-2009 气相色谱法分析普通烯烃和正构烷烃

作者:标准资料网 时间:2024-04-28 12:09:40  浏览:8179   来源:标准资料网
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【英文标准名称】:NormalOlefinsandNormalParaffinsbyGasChromatography
【原文标准名称】:气相色谱法分析普通烯烃和正构烷烃
【标准号】:ASTMUOP688-2009
【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】:
【标准类型】:(UOP)
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:Thismethodisfordeterminingtotalnormalolefins(TNO),individualcarbonnumbernormalolefins,totalnormalparaffins(TNP),andindividualnormalparaffinsintheUOPPacol,UOPDefine,andUOPOlexprocessfeedandproductstreams.SamplescanbeintheC9toC18carbonnumberrange,consistingoflightends(crackedby-products),normalparaffins,normalolefins,andassociatednon-normalscompounds.Normalolefinsincludediolefins,ifpresent.Smallamountsofnon-normalselutewiththenormalparaffinsandnormalolefinsresultinginanapproximatevalueforthetotalnon-normals(TNN).AmoreaccurateTNNvaluecanbedeterminedseparatelybyUOPMethod411(seeNote1).Thelowerlimitofquantitationforanycompoundis0.01mass%.Thelowerlimitofquantitationforanycarbonnumbergroupisapproximately0.05mass-%..
【中国标准分类号】:
【国际标准分类号】:
【页数】:10P.;A4
【正文语种】:英语


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【英文标准名称】:Informationtechnology-OSI-TheDirectory:ProtocolImplementationConformanceStatement(PICS)proformafortheDirectoryAccessProtocol-Part1
【原文标准名称】:信息技术.开放系统互连.目录:第1部分:目录访问协议的协议实现一致性声明(PICS)形式表
【标准号】:ANSI/INCITS/ISO/IEC13248-1-1998
【标准状态】:作废
【国别】:美国
【发布日期】:1998
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:信息技术;开放系统互连;应用层
【英文主题词】:
【摘要】:
【中国标准分类号】:L79
【国际标准分类号】:35_100_70
【页数】:
【正文语种】:英语


【英文标准名称】:StandardSpecificationforPolyethyleneFilmsMadefromLow-DensityPolyethyleneforGeneralUseandPackagingApplications
【原文标准名称】:通用和包装用低密度聚乙烯制聚乙烯薄膜的标准规范
【标准号】:ASTMD4635-2008
【标准状态】:现行
【国别】:
【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(ASTM)
【起草单位】:D20.19
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:箔;包装件;塑料;聚乙烯
【英文主题词】:film;generaluse;low-density;packaging;polyethylene;recycledplastics;Copolymers;Density--plastics;Homopolymers;LLDPE(linearlowdensitypolyethylene)--specifications;Packing/packagingmaterials/systems--specifications;Packing/packagingmaterials/systems(plastics);Plasticsheetandfilm--specifications;Polyethylene(PE)--specifications;Polyethylene(PE)sheetandfilm--specifications;
【摘要】:1.1Thisspecificationcoversunpigmented,unsupported,low-densitypolyethylenefilms(hereafterreferredtoasfilmorfilms)fromClass1polyethylenesperSpecificationD4976.Note18212;Thedensityofafilmwillnotnecessarilybeequaltothedensityofamoldedplaquefromthesameresin.Note28212;Blendsofethylene/vinylacetate(EVA)withlow-densitypolyethylenemayhavedensitiesupto0.929g/cm3.1.2Thisspecificationisapplicabletohomopolymerpolyethylene,butisnotrestrictedtoit.Itisapplicabletofilmsmadefrompolyethylenecopolymers,andalsoapplicabletofilmsmadefromblendsofhomopolymersandcopolymers,includingethylene/vinylacetatecopolymers.1.3Thethicknessofthefilmscoveredbythisspecificationis100x03BC;morless(0.004in.orless),inclusive.Themaximumwidthofthesheetorlayflatis3.00m(120in.).1.4Thisspecificationdoesnotcoverorientedheat-shrinkablefilms.1.5Thisspecificationallowsfortheuseofrecycledpolyethylenefilmorresinasfeedstock,inwholeorinpart,aslongasalloftherequirementsofthisspecificationaremetandaslongasanyspecificrequirementsasgovernedbytheproducerandenduserarealsomet.(SeeNote3.)Note38212;GuideD7209describesterminologyanddefinitionsrelatedtorecycledplastics.1.6Thisspecificationdefinesthelevelsofthevariousphysicalpropertiesfromwhichspecificationsforspecificfilmsmaybedescribed.ThelevelsofphysicalpropertiesrequiredbyafilmforagivenapplicationareselectedfromSection6.However,Sections2-5relatingtotolerancesshallapplywithoutchangetoallfilmfallingwithinthescopeindicatedbythetitleand1.1-1.4.1.7Thisspecificationcoversdimensionaltolerances,classifications,intrinsicqualityrequirements,andtestmethods.Thedimensionaltolerancesincludethickness,width,andlengthoryield.Classificationdefinestypes,classes,surfaces,andfinishes.Theintrinsicqualityrequirementsincludedensity,workmanship,tensilestrength,heatsealability,andodor,aswellastheclassificationpropertiesforimpactstrength,coefficientoffriction,opticalproperties,andsurfacetreatment.Asamplingmethodisincluded.1.8ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.9Thefollowingprecautionarycaveatpertainsonlytothetestmethodsportion,Section10,ofthisspecification:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note48212;ThereisnosimilarorequivalentISOspecification.
【中国标准分类号】:
【国际标准分类号】:83_140_10;
【页数】:5P.;A4
【正文语种】:



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