EN ISO 7540-2010 辣椒粉(辣椒CapsicumannuumL.).规范(ISO7540-2006).德文版本ENISO7540-2010
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【英文标准名称】:Groundpaprika(CapsicumannuumL.)-Specification(ISO7540:2006);GermanversionENISO7540:2010
【原文标准名称】:辣椒粉(辣椒CapsicumannuumL.).规范(ISO7540-2006).德文版本ENISO7540-2010
【标准号】:ENISO7540-2010
【标准状态】:现行
【国别】:
【发布日期】:2010-06
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:农产品;定义;辣椒粉;粉末的;粉状食品;粉状的;规范;规范(验收);香料
【英文主题词】:Agriculturalproducts;Definitions;Paprika;Powdered;Powderedfoods;Powdery;Specification;Specification(approval);Spices
【摘要】:
【中国标准分类号】:X66
【国际标准分类号】:67_220_10
【页数】:17P;A4
【正文语种】:英语
【英文标准名称】:Plastics-Phenolicresins-Separationbyliquidchromatography
【原文标准名称】:塑料.酚醛树脂.用液体色谱法分离
【标准号】:BSENISO11401-1998
【标准状态】:现行
【国别】:英国
【发布日期】:1998-10-15
【实施或试行日期】:1998-10-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:化学分析和试验;热固性聚合物;数据表示;试验条件;酚醛树脂;塑料;液相色谱法;凝胶色谱法;色谱法;分离法(化学分析);柱色谱法;试样制备;高聚物
【英文主题词】:Chemicalanalysisandtesting;Chromatography;Definition;Definitions;Determinationofcontent;Liquidchromatography;Materialstesting;Paints;Phenolicresins;Plastics;Separationprocesses;Testing
【摘要】:1ThisInternationalStandardspecifieschromato-graphicmethodsfortheseparationofphenolicresinsintotheircomponentcompounds.Separationtakesplaceaccordingtomolecularweightand/orpolarity.Therearevariousliquidchromatographicmethods:A:Gel-permeationchromatographyB:High-performanceliquidchromatographyonpolarcolumnsC:High-performanceliquidchromatographyonnon-polarcolumnsItispossibletoseparateaphenolicresinintoitscomponentsaccordingtomolecularsizeusingmethodA(gel-permeationchromatography).Whereasfreephenolandthesumofthedihydro-xydiphenylmethanes(innovolaks)andvariousmethylolphenols(inresols)arequantitativelysepar-atedinthisprocedure,high-molecular-weightcompo-nentsoftheresinsareonlyincompletelyseparatedduetothemultitudeofisomers.MethodsBandC(high-performanceliquidchroma-tography)separatethecompoundsintheresinac-cordingtomolecularweightandpolarity.Molecular-weighteffectspredominateonpolarsta-tionaryphases(methodB),andtheeffectofpolarityonnon-polarstationaryphases(methodC).Thesemethodsalsoallowquantitativedeterminationofin-dividuallow-molecular-weightresincomponents.Be-causeofthedifferentresinsolubilities,methodBismoresuitablefornovolaksandmethodCforresols.2Themethodsareapplicabletophenolicresinsthataresolubleinthesolventsandsolventblendsused.3Thistestisusefulforcharacterizationofpro-ductsandforresearch.
【中国标准分类号】:G31
【国际标准分类号】:83_080_10
【页数】:14P;A4
【正文语种】:英语
【英文标准名称】:StandardPracticeforSamplingofGaseousUraniumHexafluoride
【原文标准名称】:气态六氟化铀采样的标准方法
【标准号】:ASTMC1703-2008
【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】:C26.02
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:bulksampling;nuclearmaterial;uraniumhexafluoride
【摘要】:Uraniumhexafluorideisnormallyproducedandhandledinlarge(typically1to14-ton)quantitiesandmust,therefore,becharacterizedbyreferencetorepresentativesamples(seeISO/DIS7195).ThesamplesareusedtodeterminecompliancewiththeapplicablecommercialspecificationsC996andC787.Thequantitiesinvolved,physicalproperties,chemicalreactivity,andhazardousnatureofUF6aresuchthatforrepresentativesampling,speciallydesignedequipmentmustbeusedandoperatedinaccordancewiththemostcarefullycontrolledandstringentprocedures.ThispracticecanbeusedbyUF6converters,enrichers,andfuelfabricatorstoreviewtheeffectivenessofexistingproceduresorasaguidetothedesignofequipmentandproceduresforfutureuse.TheintentionofthispracticeistoavoidliquidUF6samplingoncethecylinderhasbeenfilled.Forsafetyreasons,manipulationoflargequantitiesofliquidUF6shouldbeavoidedwhenpossible.Itisemphasizedthatthispracticeisnotmeanttoaddressconventionalornuclearcriticalitysafetyissues.1.1Thispracticecoversmethodsforwithdrawingrepresentativesample(s)ofuraniumhexafluoride(UF6)duringatransferoccurringinthegasphase.Suchtransferinthegasphasecantakeplacefromamothercylinder,forexampleinanautoclavetoareceivingcylinder.Itcanalsooccurduringthefillinginthegasphaseofacylinderduringacontinuousproductionprocess,forexamplecentrifugeenrichmentfacilityorthedistillationcolumninaconversionfacility.Suchsample(s)maybeusedfordeterminingcompliancewiththeapplicablecommercialspecification,forexampleSpecificationC996orSpecificationC787.1.2SinceUF6samplingistakenduringthefillingprocess,thispracticedoesnotaddressanyspecialadditionalarrangementsthatmaybeagreeduponbetweenthebuyerandthesellerwhenthesampledbulkmaterialisbeingaddedtoresiduesalreadypresentinacontainer(x201C;heelsrecyclex201D;).SucharrangementswillbebasedonQAproceduressuchastraceabilityofcylinderorigin(topreventforexamplecontaminationwithirradiatedmaterial).1.3Ifthereceivingcylinderispurgedafterfillingandsampling,specialverificationsmustbeperformedbytheusertoverifytherepresentativityofthesample(s).Itisthenexpectedthattheresultsfoundonvolatileimpuritieswithgasphasesamplingmaybeconservative.1.4Thispracticeisonlyapplicablewhenthetransferoccursinthegasphase.Whenthetransferisperformedintheliquidphase,PracticeC1052shouldapply.Thispracticedoesnotapplytogassamplingafterthecylinderhasbeenfilledsincethesampletakenwillnotberepresentativeofthecylinder.1.5Thescopeofthispracticedoesnotincludeprovisionsforpreventingcriticalityincidents.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:F46
【国际标准分类号】:27_120_30
【页数】:5P.;A4
【正文语种】:英语
