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BS 6669-1-1986 银和银合金电镀层的试验方法.第1部分:镀层厚度的测定

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【英文标准名称】:Methodsoftestforelectroplatedsilverandsilveralloycoatings-Determinationofcoatingthickness
【原文标准名称】:银和银合金电镀层的试验方法.第1部分:镀层厚度的测定
【标准号】:BS6669-1-1986
【标准状态】:作废
【国别】:英国
【发布日期】:1986-05-30
【实施或试行日期】:1986-05-30
【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】:金属覆层;银合金;重量分析;溶解;装饰覆层;化学分析和试验;电解镀层;覆层;电镀;防护覆层;厚度测量;银
【英文主题词】:Coatings;Decorativecoatings;Determination;Dimensionalmeasurement;Electrodeposition;Metalcoatings;Protectivecoatings;Silver;Silveralloys;Testing;Tests;Thickness
【摘要】:Describesindetail3methodsofdeterminationandgivesreferenceto7othermethods.
【中国标准分类号】:A29
【国际标准分类号】:17_040_20
【页数】:6P.;A4
【正文语种】:英语


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【英文标准名称】:Blankdetailspecification-Directlyheatednegativetemperaturecoefficientthermistors(disktype);GermanversionEN143003:1991
【原文标准名称】:空白详细规范.直接加热的负温度系数热敏电阻(移动板型)
【标准号】:EN143003-1991
【标准状态】:现行
【国别】:
【发布日期】:1997-02
【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】:电气工程;电子设备及元件;热敏电阻;电阻器;空白格式;质量保证;半导体器件;详细规范
【英文主题词】:Blankforms;Detailspecification;Disks;Electricalengineering;Electronicequipmentandcomponents;Qualityassurance;Resistors;Semiconductordevices;Temperature-dependent;Thermistors
【摘要】:
【中国标准分类号】:L15
【国际标准分类号】:31_040_30
【页数】:15P.;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforDeterminationofAldicarb,AldicarbSulfone,AldicarbSulfoxide,Carbofuran,Methomyl,OxamylandThiofanoxinWaterbyLiquidChromatography/TandemMassSpectrometry(LC/MS/MS)
【原文标准名称】:液相色谱/串联质谱法测定水中涕灭威,涕灭威砜,涕灭威亚砜,克百威,灭多威,杀线威和久效威的标准试验方法
【标准号】:ASTMD7645-2010
【标准状态】:现行
【国别】:
【发布日期】:2010
【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】:D19.06
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:氨基甲酸酯;液相色谱法;质谱测定法;水
【英文主题词】:carbamates;liquidchromatography;massspectrometry;water
【摘要】:ThistestmethodhasbeendevelopedinsupportoftheNationalHomelandSecurityResearchCenter,USEPAbyRegion5ChicagoRegionalLaboratory(CRL).TheN-methylcarbamate(NMC)pesticides:aldicarb,carbofuran,methomyl,oxamyl,andthiofanoxhavebeenidentifiedbyEPAasworkingthroughacommonmechanism.Theseaffectthenervoussystembyreducingtheabilityofenzymes.EnzymeinhibitionwastheprimarytoxicologicaleffectofregulatoryconcerntoEPAinassessingtheNMCx2019;sfood,drinkingwater,andresidentialrisks.Inmostofthecountry,NMCresiduesindrinkingwatersourcesareatlevelsthatarenotlikelytocontributesubstantiallytothemulti-pathwaycumulativeexposure.Shallowprivatewellsextendingthroughhighlypermeablesoilsintoshallow,acidicgroundwaterrepresentwhattheEPAbelievestobethemostvulnerabledrinkingwater.Aldicarbsulfoneandaldicarbsulfoxidearebreakdownproductsofaldicarbandshouldalsobemonitoredduetotheirtoxicologicaleffects.Thismethodhasbeeninvestigatedforusewithreagent,surface,anddrinkingwaterfortheselectedcarbamates:aldicarb,aldicarbsulfone,aldicarbsulfoxide,carbofuran,methomyl,oxamylandthiofanox.1.1Thistestmethodcoversthedeterminationofaldicarb,aldicarbsulfone,aldicarbsulfoxide,carbofuran,methomyl,oxamyl,andthiofanox(referredtocollectivelyascarbamatesinthistestmethod)inwaterbydirectinjectionusingliquidchromatography(LC)anddetectedwithtandemmassspectrometry(MS/MS).Theseanalytesarequalitativelyandquantitativelydeterminedbythismethod.Thismethodadherestomultiplereactionmonitoring(MRM)massspectrometry.1.2TheDetectionVerificationLevel(DVL)andReportingRangeforthecarbamatesarelistedinTable1.1.2.1TheDVLisrequiredtobeataconcentrationatleast3timesbelowtheReportingLimit(RL)andhaveasignal/noiseratiogreaterthan3:1.Fig.1displaysthesignal/noiseratiosoftheprimarysinglereactionmonitoring(SRM)transitions,andFig.2displaystheconfirmatorySRMtransitionsattheDVLsforthecarbamates.1.2.2ThereportinglimitistheconcentrationoftheLevel1calibrationstandardasshowninTable2forthecarbamates.1.3Units8212;ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:C51
【国际标准分类号】:13_060_50
【页数】:12P.;A4
【正文语种】: