【英文标准名称】:StandardPracticeforHotPlateDigestionofDustWipeSamplesfortheDeterminationofLead
【原文标准名称】:测定铅含量用除尘样品的热板溶解标准规程
【标准号】:ASTME1644-2004
【标准状态】:现行
【国别】:
【发布日期】:2004
【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】:E06.23
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:样本制备;实施规程;空气质量;发酵作用;ICP;铅;原子发射光谱法;尘埃
【英文主题词】:digestion;lead;samplepreparation;wipes
【摘要】:Thispracticeisintendedforthedigestionofleadindustwipesamplescollectedduringvariousleadhazardactivitiesperformedinandaroundbuildingsandrelatedstructures.Thispracticeisalsointendedforthedigestionofleadindustwipesamplescollectedduringandafterbuildingrenovations.ThispracticeisapplicabletothedigestionofdustwipesamplesthathaveorhavenotbeencollectedinaccordancewithPracticeE1728usingwipesthatmayormaynotconformtoSpecificationE1792.Thispracticeisapplicabletothedigestionofdustwipesamplesthatwereplacedineitherhard-walled,rigidcontainerssuchas50-mLcentrifugetubesorflexibleplasticbags.Note28212;Duetothedifficultyinperformingquantitativetransfersofsomesamplesfromplasticbags,hard-walledrigidcontainerssuchas50-mLplasticcentrifugetubesarerecommendedforsamplecollection.DigestatespreparedaccordingtothispracticeareintendedtobeanalyzedforleadconcentrationusingspectrometrictechniquessuchasInductivelyCoupledPlasmaAtomicEmissionSpectrometry(ICP-AES)andFlameAtomicAbsorptionSpectrometry(FAAS)(seeTestMethodE1613),orusingelectrochemicaltechniquessuchasanodicstrippingvoltammetry(seePracticeE2051).Thispracticeisnotcapableofdeterminingleadboundwithinmatrices,suchassilica,thatarenotsolubleinnitricacid.Thispracticeiscapableofdeterminingleadboundwithinpaint.1.1Thispracticecoverstheaciddigestionofsurfacedustsamples(collectedusingwipesamplingpractices)andassociatedqualitycontrol(QC)samplesforthedeterminationoflead.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.3Thispracticecontainsnoteswhichareexplanatoryandnotpartofmandatoryrequirementsofthestandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G04
【国际标准分类号】:13_040_99;71_040_50
【页数】:4P.;A4
【正文语种】:


【英文标准名称】:Coaxialcables-Sectionalspecificationforcablesusedincableddistributionnetworks-Indoordropcablesforsystemsoperatingat5MHz-3000MHz
【原文标准名称】:同轴电缆.电缆配电网络用电缆的分规范.在5MHz-3000MHz上运行的系统用室内引入电缆
【标准号】:BSEN50117-2-4-2004
【标准状态】:作废
【国别】:英国
【发布日期】:2004-12-17
【实施或试行日期】:2004-12-17
【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】:测量技术;规范(验收);电气工程;试验;材料;中继电缆;特性;定义;火焰表面传播;电缆;插接件连接;家用(安装)设备;质量保证;环境条件;机械性能;同轴电缆;设计;分配器;电缆分布系统;质量评定程序;分规范;识别;信号传输;室内电缆;作标记;电缆网络;电性质和电现象;同轴;安装电缆
【英文主题词】:Cabledistributionsystems;Cablednetworks;Cables;Coaxial;Coaxialcables;Connectoredjoints;Definition;Definitions;Design;Distributors;Electricalengineering;Electricalpropertiesandphenomena;Environmentalcondition;Houseinstallations;Identification;Insidecables;Installationcables;Marking;Materials;Measuringtechniques;Mechanicalproperties;Properties;Qualityassessmentprocedures;Qualityassurance;Sectionalspecification;Signaltransmission;Specification(approval);Surfacespreadofflame;Testing;Trunkcables
【摘要】:TobereadinconjunctionwithBSEN50117-1
【中国标准分类号】:K13
【国际标准分类号】:33_120_10
【页数】:14P;A4
【正文语种】:英语