ASTM D6042-2009 用液相色谱法对聚丙烯均聚物配方中酚醛抗氧化剂和酰胺纤维润滑添加剂测定的标准试验方法

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【英文标准名称】:StandardTestMethodforDeterminationofPhenolicAntioxidantsandErucamideSlipAdditivesinPolypropyleneHomopolymerFormulationsUsingLiquidChromatography(LC)
【原文标准名称】:用液相色谱法对聚丙烯均聚物配方中酚醛抗氧化剂和酰胺纤维润滑添加剂测定的标准试验方法
【标准号】:ASTMD6042-2009
【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】:D20.70
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:additive;antioxidants;erucamideslip;extraction;Irgafos168;Irganox1010;Irganox1076;Irganox3114;liquidchromatography(LC);polypropylene(PP);vitaminE;Additives--plastics;Erucamide(slip);Liquidchromatography(LC);Phenolicant
【摘要】:Separationandidentificationofstabilizersusedinthemanufactureofpolypropyleneisnecessaryinordertocorrelateperformancepropertieswithpolymercomposition.Thistestmethodprovidesameanstodetermineerucamideslip,VitaminE,Irgafos168,Irganox3114,Irganox1010,andIrganox1076levelsinpolypropylenesamples.Thistestmethodisalsoapplicableforthedeterminationofotherantioxidants,suchasUltranox626,Ethanox330,SantanoxR,andBHT,buttheapplicabilityofthistestmethodhasnotbeeninvestigatedfortheseantioxidants.Theadditive-extractionprocedureismadeeffectivebytheinsolubilityofthepolymersampleinsolventsgenerallyusedforliquidchromatographicanalysis.Underoptimumconditions,thelowestlevelofdetectionforaphenolicantioxidantisapproximately2ppm.Note28212;Othermethodsthathavebeenusedsuccessfullytoremoveadditivesfromtheplasticsmatrixincludethinfilm,microwave,ultrasonic,andsupercriticalfluidextractions.OthermethodshavebeenusedsuccessfullytoseparateadditivesincludingSFCandcapillaryGC.Irgafos168isaphosphiteantioxidant.Phosphitesareknowntoundergobothoxidationandhydrolysisreactions.LessIrgafos168willbedeterminedinthepolymerwhenoxidationoccursduringprocessing.TheHPLCseparationiscapableofseparatingthephosphite,phosphate(oxidationproduct),andhydrolysisproductandquantifythemifstandardsareobtained.Nosignificantbreakdownofthephosphiteantioxidanthasbeenseenduetoeitherextractiontechniqueortheseparationpresentedinthisstandard.1.1Thistestmethodcoversaliquid-chromatographicprocedurefortheseparationofsomeadditivescurrentlyusedinpolypropylene.Theseadditivesareextractedwithacyclohexane:methylenechloridemixtureusingeitherrefluxorultrasonicbathpriortoliquid-chromatographicseparation.Theultravioletabsorbance(200nm)ofthecompound(s)ismeasured,andquantitationisperformedusingtheinternalstandardmethod.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecificprecautionarystatementsaregiveninSection9.Note18212;ThereisnoknownISOequivalenttothistestmethod.
【中国标准分类号】:G31
【国际标准分类号】:83_080_20
【页数】:5P.;A4
【正文语种】:英语


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【英文标准名称】:Sterilesingle-usesyringes,withorwithoutneedle,forinsulin.
【原文标准名称】:胰岛素用带针头或不带针头的一次性使用无菌皮下注射器
【标准号】:NFS93-005/A1-2001
【标准状态】:作废
【国别】:法国
【发布日期】:2001-02-01
【实施或试行日期】:2001-02-20
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Cannulas;Cylinders;Definition;Definitions;Disposables;Equipmentforsingleuse;Flasks;Injections;Insulin;Limits(mathematics);Marking;Medicalequipment;Medicalinstruments;Medicalsciences;Medicaltechnology;Packages;Scales;Singleusesyringes;Specification;Specification(approval);Sterile;Sterileequipment;Sterilization(birthcontrol);Syringes;Testing
【摘要】:
【中国标准分类号】:C31
【国际标准分类号】:11_040_20
【页数】:7P.;A4
【正文语种】:其他


【英文标准名称】:Opticalamplifiers-Testmethods-Multichannelparameters-Pulsemethodusinganopticalswitchandopticalspectrumanalyzer
【原文标准名称】:光学纤维放大器.试验方法.多道参数.使用光学开关和光谱分析仪的脉冲法
【标准号】:BSEN61290-10-1-2003
【标准状态】:作废
【国别】:英国
【发布日期】:2003-08-26
【实施或试行日期】:2003-08-26
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:放大器;分析仪;应用;基础规范;电气工程;纤维光学;光纤;数学计算;测量;测量技术;多道记录;多道的;噪声系数;光学纤维;光学仪器;光波导;光学;参数;特性;稀土金属;额定值;规范;光谱分析;分光镜仪器;开关;试验;使用
【英文主题词】:Amplifiers;Analyzers;Applications;Basicspecification;Electricalengineering;Fibreoptics;Mathematicalcalculations;Measurement;Measuringtechniques;Multi-channelrecording;Multichannels;Noisefigure;Opticalfibres;Opticalinstruments;Opticalwaveguides;Optics;Parameters;Properties;Rareearthmetals;Ratings;Specification;Spectralanalysis;Spectroscopicinstruments;Switches;Testing;Use
【摘要】:ThispartofIEC61290appliestoopticalfibreamplifiers(OFAs)usingactivefibres,containingrare-earthdopants,currentlycommerciallyavailable.Itestablishesuniformrequirementsforaccurateandreliablemeasurementsofthesignal-spontaneousnoisefigureasdefinedin3.1.18ofIEC61291-1.Thetestmethodindependentlydetectsamplifiedsignalpowerandamplifiedspontaneousemission(ASE)powerbylaunchingopticalpulsesintotheOFAundertestandsynchronouslydetecting"on"and"off"levelsoftheoutputpulsesbyusinganopticalsamplingswitchandanopticalspectrumanalyzer(OSA).Suchameasurementispossiblebecausethegainresponseoftherare-earthdopedOFAisrelativelyslow,particularlyinEr-dopedOFAs.However,sincetheOFAgaindynamicsvarywithamplifiertypes,operatingconditionsandcontrolscheme,theamplifiertypeshouldbeconsideredwhenapplyingthepresenttestmethod.Thetestmethodisdescribedbasicallyformultichannelapplications,whichincludessinglechannelapplicationsasaspecialcaseofmultichannel(wavelength-divisionmultiplexed)applications.NOTEAllnumericalvaluesfollowedby()areintendedtobecurrentlyunderstudy.
【中国标准分类号】:M33
【国际标准分类号】:33_180_30
【页数】:28P;A4
【正文语种】:英语