DIN EN 301783-2-2001 电磁兼容性和无线电频谱情况(ERM).陆上移动业务:可商用业余无线电设备.第2部分:包括R&TTE指令3.2条中基本要求的协调EN标准
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【英文标准名称】:ElectromagneticcompatibilityandRadioSpectrumMatters(ERM)-LandMobileService;Commerciallyavailableamateurradioequipment-Part2:HarmonizedENcoveringessentialrequirementsunderarticle3.2oftheR&TTEDirective(EndorsementoftheEnglis
【原文标准名称】:电磁兼容性和无线电频谱情况(ERM).陆上移动业务:可商用业余无线电设备.第2部分:包括R&TTE指令3.2条中基本要求的协调EN标准
【标准号】:DINEN301783-2-2001
【标准状态】:作废
【国别】:德国
【发布日期】:2001-03
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:地面流动服务设施;传输技术;电信;远程通信;电气工程;无线通信业务;定义;导则;无线电工程;试验;电磁兼容性;业余无线电台;规范(验收);无线电设备
【英文主题词】:Amateurradios;Definitions;Electricalengineering;Electromagneticcompatibility;Guidelines;Land-mobileservices;Radioengineering;Radioequipment;Specification(approval);Telecommunication;Telecommunications;Testing;Transmissiontechnique;Wirelesscommunicationservices
【摘要】:Thedocumentspecifiesrequirementsinthetelecommunicationssector.
【中国标准分类号】:L06
【国际标准分类号】:33_060_20
【页数】:1P.;A4
【正文语种】:德语
基本信息
| 标准名称： | 液体葡萄糖及试验方法 |
| 发布日期： | 1900-01-01 |
| 实施日期： | 1900-01-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 出版日期： | 1900-01-01 |
适用范围
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前言
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目录
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引用标准
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所属分类： 食品 食品加工与制品 肉类加工制品
【英文标准名称】:StandardGuideforSpikingintoAqueousSamples
【原文标准名称】:向水样品中添加同位素指示剂的标准导则
【标准号】:ASTMD5810-1996(2006)
【标准状态】:现行
【国别】:
【发布日期】:1996
【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】:D19.02
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:导则;最大同位素;回收百分比;可溶物分析;加入示踪同位素;添加同位素指示剂;向水样品中添加同位素指示剂;代用品;内部标准;质量保证;偏差;水;回收
【英文主题词】:bias;internalstandards;matrixspike;percentrecovery;qualityassurance;recovery;spike;spiking;standardadditions;surrogates
【摘要】:1.1Thisguidecoversthegeneraltechniqueof"spiking"abroadrangeofmaterialsintoaqueousmedia.Thisguidewillservetheanalystinpreparingspikedsamplesforqualitycontrolpurposes.Guidanceisalsoprovidedtoaidtheanalystincalculatingrecoveriesandinterpretingresults.Itistheresponsibilityoftheanalysttodeterminewhethertheproceduresandmaterialsdescribedhereareappropriatetothetaskathand.1.2Theproceduresinthisguidearefocusedon"matrixspike"preparation,analysis,andinterpretationofresults.Theapplicabilityoftheseprocedurestothepreparationofcalibrationstandards,calibrationcheckstandards,laboratorycontrolstandards,referencematerials,andotherqualitycontrolmaterialsbyspikingisincidental.Asample(thematrix)isfortified(spiked)withtheanalyteofinterestforavarietyofanalyticalandqualitycontrolpurposes.Whilethespikingofmultiplesampleportionsisdiscussed,themethodofstandardadditionsisnotcovered.1.3Thisguideisintendedforuseinconjunctionwiththeindividualanalyticaltestmethodthatprovidesproceduresforanalysisoftheanalyteorcomponentofinterest.Thetestmethodisusedtodetermineananalyteorcomponent''sbackgroundleveland,againafterspiking,itsnowelevatedlevel.Eachtestmethodtypicallyprovidesproceduresnotonlyforsamples,butalsoforcalibrationstandardsoranalyticalcontrolsolutions,orboth.Theseproceduresincludepreparation,handling,storage,preservation,andanalysistechniques.Theseproceduresareapplicablebyextension,usingtheanalyst''sjudgementonacase-by-casebasis,tospikingsolutions,andarenotreiteratedinthisguide.SeealsoPracticeE200forpreparationandstorageinformation.1.4Theseproceduresapplyonlytoanalytesthataresolubleinwaterattheconcentrationofthespikeplusanybackgroundmaterial,ortoanalytessolubleinasolventthatisitselfwater-soluble.Thesystemusedinthelatercasemustresultinahomogeneoussolutionofanalyteandsample.Meaningfulrecoverydatacannotbeobtainedifanaqueoussolutionorhomogenoussuspensionoftheanalyteofinterestinthesamplecannotbeattained.Theseproceduresmaybeapplicabletomicrobiologicalpreparationsifthehomogeneityofthesuspensioncanbeadequatelymaintainedthroughoutthecourseoftheanalysis,forexample,bymechanicalagitationorstirring.1.5Matrixspikingmaybeperformedinthefieldorinthelaboratory,dependingonwhichpartoftheanalyticalprocessistobetested.Fieldspikingteststherecoveryoftheoverallprocess,includingpreservationandshippingofthesample.Laboratoryspikingteststhelaboratoryprocessonly.Spikingofsampleextracts,concentrates,ordilutionswilltestonlythatportionoftheprocesssubsequenttoadditionofthespike.1.6ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z16
【国际标准分类号】:19_020
【页数】:6P.;A4
【正文语种】:
