【英文标准名称】:Rollingbearings.Radialbearings.Boundarydimensions,generalplan.
【原文标准名称】:滚动轴承.径向轴承.外形尺寸.总图
【标准号】:NFE22-315-1998
【标准状态】:作废
【国别】:法国
【发布日期】:1998-08-01
【实施或试行日期】:1998-08-05
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Bearings;Dimensions;Radialbearings;Rollingbearings
【摘要】:
【中国标准分类号】:J11
【国际标准分类号】:21_100_20
【页数】:24P.;A4
【正文语种】:其他


【英文标准名称】:StandardTestMethodforQuantitatingVolatileExtractablesinMicrowaveSusceptorsUsedforFoodProducts
【原文标准名称】:食品用微波传感器中易挥发可萃取物量化的测试方法
【标准号】:ASTMF1308-1998(2003)
【标准状态】:现行
【国别】:
【发布日期】:1998
【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】:F02.15
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:提取的;物质;试验方法;测试方法;挥发性的;食品
【英文主题词】:extractables;volatile;quantitation;inmicrowavesusceptors;fluropticthermometry;gaschromatography;staticheadspace;microwavesusceptors;microwavesuseptors,valatileextractablesin;susceptors;microwave;volatileextractables;quantitation;inmicrowavesusceptors
【摘要】:Thistestmethodisintendedtomeasurevolatileextractablesthatmaybeemittedfromamicrowavesusceptormaterialduringuse.Itmaybeausefulproceduretoassistinminimizingtheamountofvolatileextractableseitherthroughsusceptordesignormanufacturingprocesses.ModificationofthisprocedurebyutilizingappropriatequalitativeGCdetectionsuchasamassspectrometerinplaceoftheflameionizationdetectormayprovideidentificationofvolatileextractablesofunknownidentity.1.1Thistestmethodcoverscompletemicrowavesusceptors.1.2Thistestmethodcoversaprocedureforquantitatingvolatilecompoundswhoseidentityhasbeenestablishedandwhichareevolvedwhenamicrowavesusceptorsampleistestedundersimulateduseconditions.1.3Thistestmethodwascollaborativelyevaluatedwithavarietyofvolatilecompounds(seestatisticalevaluation).Forcompoundsotherthanthoseevaluated,theanalystshoulddeterminethesensitivityandreproducibilityofthemethodbycarryingoutappropriatespikeandrecoverystudies.TheanalystisreferredtoPracticeE260forguidance.1.4Forpurposesofverifyingtheidentityoforidentifyingunknownvolatilecompounds,theanalystisencouragedtoincorporatetechniquessuchasgaschromatography/massspectroscopy,gaschromatography/infraredspectroscopy,orothertechniquesinconjunctionwiththistestmethod.1.5Asensitivitylevelofapproximately0.025g/in.isachievableforthecompoundsstudiedin.Whereothercompoundsarebeingquantitatedanduncertaintyexistsovermethodsensitivity,theanalystisreferredtoPracticeE260forproceduresondeterminingsensitivityofchromatographicmethods.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Specificsafetyhazardswarningsaregivenin10.2,11.1,and11.6.
【中国标准分类号】:Y63
【国际标准分类号】:
【页数】:5P.;A4
【正文语种】: