【英文标准名称】:StandardTestMethodsforHydrogenContentofLightDistillates,MiddleDistillates,GasOils,andResiduabyLow-ResolutionNuclearMagneticResonanceSpectroscopy
【原文标准名称】:低分辩核磁共振光谱仪对石油产品中含氢量的标准试验方法
【标准号】:ASTMD4808-2001(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】:试验方法;氢含量;汽油;渣油;蒸馏的
【英文主题词】:distillate;gasoil;hydrogencontent;lightdistillate;middledistillate;nuclearmagnetic;petroleumproducts;residua;resonancespectroscopy
【摘要】:Thehydrogencontentrepresentsafundamentalqualityofapetroleumproductthathasbeencorrelatedwithmanyoftheperformancecharacteristicsofthatproduct.Thistestmethodprovidesasimpleandmoreprecisealternativetoexistingtestmethods,specificallycombustiontechniques(TestMethodsD5291)fordeterminingthehydrogencontentonarangeofpetroleumproducts.1.1Thesetestmethodscoverthedeterminationofthehydrogencontentofpetroleumproductsrangingfromatmosphericdistillatestovacuumresiduausingacontinuouswave,low-resolutionnuclearmagneticresonancespectrometer.(TestMethodD3701isthepreferredmethodfordeterminingthehydrogencontentofaviationturbinefuelsusingnuclearmagneticresonancespectroscopy.)1.2Threetestmethodsareincludedherethataccountforthespecialcharacteristicsofdifferentpetroleumproductsandapplytothefollowingdistillationranges:1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thepreferredunitsaremass%.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificwarningstatements,seeSections6.2and6.4.
【中国标准分类号】:E30
【国际标准分类号】:75_160_20
【页数】:5P.;A4
【正文语种】:


【英文标准名称】:StandardClassificationforRecycledPost-ConsumerPolyethyleneFilmSourcesforMoldingandExtrusionMaterials
【原文标准名称】:模塑和挤塑材料用循环再生聚乙烯薄膜来源的标准分类
【标准号】:ASTMD5491-2008
【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】:D20.15
【标准类型】:(Classification)
【标准水平】:()
【中文主题词】:
【英文主题词】:plasticfilms;polyethylene;post-consumermaterial;recoveredmaterial;recycled;Molding/extrusioncompounds/materials;Plasticsheetandfilm;Polyethylene(PE);Post-consumerplastics;Recoveredplasticmaterial;Recycledplastics
【摘要】:ThisclassificationidentifiessourcesofPEfilm.Theseparationbysourcesalsoimprovestheusefulnessofthematerial.Sourcesarepost-consumerPEfilmsfromshrinkwrap,drycleaningfilm,merchandisebags,grocerysacks,stretchwrap,recyclebags,redemptionbags,bubblepackagingfilm,commercial/industrialliners/bags,andcommercialoverwrap.Thisclassificationisusefulincharacterizingpost-consumerfilmtobeusedasafeedstockforrecycling.Itisneithertheintentnorthepurposeofthisclassificationtospecifythesuitabilityoftherecycledmaterialforspecificapplications.1.1Thisdocumentprovidesfortheclassificationofpost-consumerpolyethylene(PE)filmderivedfromspecificsources.Italsoidentifiescharacteristicsusefulindeterminingtheacceptabilityofthefilmforrecyclingintomoldingandextrusionmaterials.Itisneithertheintentnorthepurposeofthisclassificationtospecifythesuitabilityoftherecycledmaterialforspecificapplications.1.2Thisclassificationprovidesthatthesourceofthematerialbelistedasanaidinidentification.Theseparationbysourcealsoimprovestheusefulnessofthematerial.Sourcesarepost-consumerPEfilmsfromshrinkwrap,drycleaningfilm,merchandisebags,grocerysacks,stretchwrap,recyclebags,redemptionbags,bubblepackagingfilm,andcommercial/industrialliners/bagsandoverwrap.Otherpost-consumerPEfilmsshallbeaddedtothisclassificationwhensuchmaterialstreamsaredefined.1.3Itisnotthefunctionofthisclassificationtoprovidedataforspecificproductdesignorprocess-performancepurposes.1.4Thesuppliershallprovideawrittencertificationwitheachshipmentstatingthatthematerialisderivedfrompost-consumerPEfilmsourcesdescribedwithinthisclassification.1.5ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Note18212;ThereisnoknownISOequivalenttothisstandard.
【中国标准分类号】:G31
【国际标准分类号】:83_140_10
【页数】:3P.;A4
【正文语种】:英语