【英文标准名称】:StandardGuideforTechniquestoSeparateandIdentifyContaminantsinRecycledPlastics
【原文标准名称】:再生塑料中污染物分离及鉴别技术的标准导则
【标准号】:ASTMD5577-1994(2003)
【标准状态】:现行
【国别】:
【发布日期】:1994
【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】:D20.95
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:聚合氯化污染物;挤压溶化;流动试验;签定;再生塑料;溶剂萃取;着色5试验;分离技术;消费塑料;再生塑料中的污染物;密度分离;压缩成型;污染;视觉检验;挤压成型;塑料;登记;导则
【英文主题词】:compressionmoldings;contaminants;densityseparations;extrusion;post-consumerplastics;recycledplastics;visualinspection
【摘要】:Recycledplasticmaterialsmaycontainincompatibleplasticorotherundesirablecontaminantsthatcouldaffecttheprocessingorquality,orboth,oftheplasticpreparedforreuse.Techniquestoseparateandidentifyincompatibleplastics,moisture,chemicals,ororiginalproductresidues,andsolidcontaminantssuchasmetals,paper,glass,andwoodareessentialtotheprocessingofrecycledplasticmaterials.ThisguidelistsexistingASTMandISOmethodspluscurrentlypracticedindustrialtechniquesforidentificationandclassificationofcontaminantsinrecycledplasticsflakeorpellets.1.1Thisguideisintendedtoprovideinformationonavailablemethodsfortheseparationandclassificationofcontaminantssuchasmoisture,incompatiblepolymers,metals,adhesives,glass,paper,wood,chemicals,andoriginal-productresiduesinrecycledplasticflakesorpellets.Althoughnospecificmethodsforidentificationorcharacterizationoffoamproductsareincluded,foamproductsarenotexcludedfromthisguide.Themethodspresentedapplytopost-consumerplastics.1.2ForspecificproceduresexistingasASTMtestmethods,thisguideonlyliststheappropriatereference.WherenocurrentASTMstandardexists,however,thisguidegivesproceduresfortheseparationoridentification,orboth,ofspecificcontaminants.liststhetestsandthespecificcontaminantaddressedbyeachprocedure.1.3ThisguidedoesnotincludeprocedurestoquantifythecontaminantsunlessthisinformationisavailableinreferencedASTMstandards.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note18212;AlthoughthisguidereferencesISOstandards,thereisnosimilarorequivalentISOstandardcoveringthistopic.
【中国标准分类号】:Z13
【国际标准分类号】:83_080_01
【页数】:5P.;A4
【正文语种】:


【英文标准名称】:AromaticHydrogenandAromaticCarbonContentsofHydrocarbonOilsbyHigh-ResolutionNuclearMagneticResonanceSpectroscopy,TestMethodfor(05.03)
【原文标准名称】:高分辨率核磁共振光谱法测定芳烃油中碳和氢含量的方法(05.03)
【标准号】:ANSI/ASTMD5292-1999
【标准状态】:作废
【国别】:美国
【发布日期】:1999
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:光谱学;含量测定;矿物油
【英文主题词】:Determinationofcontent;Mineraloils;Spectroscopy
【摘要】:Thistestmethodcoversthedeterminationofthearomatichydrogencontent(ProceduresAandB)andaromaticcarboncontent(ProcedureC)ofhydrocarbonoilsusinghigh-resolutionnuclearmagneticresonance(NMR)spectrometers.Applicablesamplesincludekerosenes,gasoils,mineraloils,lubricatingoils,coalliquids,andotherdistillatesthatarecompletelysolubleinchloroformatambienttemperature.ForpulseFouriertransform(FT)spectrometers,thedetectionlimitistypically0.1mol%aromatichydrogenatomsand0.5mol%aromaticcarbonatoms.Forcontinuouswave(CW)spectrometers,whicharesuitableformeasuringaromatichydrogencontentsonly,thedetectionlimitisconsiderablyhigherandtypically0.5mol%aromatichydrogenatoms.Thereportedunitsaremolepercentaromatichydrogenatomsandmolepercentaromaticcarbonatoms.Thistestmethodisnotapplicabletosamplescontainingmorethan1mass%olefinicorphenoliccompounds。ThistestmethoddoesnotcoverthedeterminationofthepercentagemassofaromaticcompoundsinoilssinceNMRsignalsfrombothsaturatedhydrocarbonsandaliphaticsubstituentsonaromaticringcompoundsappearinthesamechemicalshiftregion.Forthedeterminationofmassorvolumepercentaromaticsinhydrocarbonoils,chromatographic,ormassspectrometrymethodscanbeused.ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Specificprecautionarystatementsaregivenin7.2and7.4.
【中国标准分类号】:E30
【国际标准分类号】:75_080
【页数】:
【正文语种】:英语