【英文标准名称】:Soilquality-Extractionofthalliumanddeterminationbyelectrothermalatomicabsorptionspectrometry(ISO20279:2005);EnglishversionofDINISO20279:2006-01
【原文标准名称】:土壤质量.铊的萃取和电热原子吸收光谱法测定
【标准号】:DINISO20279-2006
【标准状态】:现行
【国别】:德国
【发布日期】:2006-01
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:吸收分光光度测定法;原子吸收分光光度测定法;底部;化学的;土壤组分;测定;干燥;电热的;萃取;调查;措施;方法;土壤采样;土壤普查;土壤;试验报告;试验;铊
【英文主题词】:Absorptionspectrophotometry;Atomicabsorptionspectrophotometry;Bottom;Chemical;Compositionoftheground;Determination;Drying;Electrothermal;Extraction;Investigations;Measure;Methods;Soilsampling;Soilsurveys;Soils;Testreports;Testing;Thallium
【摘要】:Thalliumisextractedfromsoilbyamixtureofnitricacidandhydrogenperoxide,anddeterminedinsolutionbyelectrothermalatomicabsorptionspectrometry,inwhichdiscretevolumesofsamplesolutionaredispensedintoagraphitetube.Byincreasingthetemperatureofthistubestepwise,theprocessesofdrying,thermaldecompositionofthematrixandthermaldissociationintofreeatomsoccur.Theresultingabsorptionsignalshould(underoptimumconditions)beasharpsymmetricalpeakwithaheightproportionaltotheelementconcentrationinsolution.
【中国标准分类号】:B11
【国际标准分类号】:13_080_10
【页数】:12P.;A4
【正文语种】:英语


【英文标准名称】:Connectorsforelectronicequipment-Part7-001:Cableoutletaccessories-Blankdetailspecification
【原文标准名称】:电子设备连接器.第7-001部分:电缆引出端附件.空白详细规范
【标准号】:IEC61076-7-001-2004
【标准状态】:现行
【国别】:国际
【发布日期】:2004-07
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/SC48B
【标准类型】:()
【标准水平】:()
【中文主题词】:分类;插接件连接;规范;连接设备;电缆;试验;电子工程;测量技术;数据传送;型式;射频连接器;资格鉴定;数字信号;作标记;气候种类;直流装置;详细规范;检验;模拟信号;数字连接;电插头;质量评定;空白格式;规范(验收);能力鉴定;低频工程
【英文主题词】:Accessories;Analoguesignals;Blankforms;Cablejunctions;Cableoutlet;Cables;Capabilityapproval;Classification;Climatecategory;Connectingequipment;Connectoredjoints;Connectors;Contents;Datatransfer;Detailspecification;Digitalconnections;Digitalsignals;Directcurrentinstallations;Electricplugs;Electricalengineering;Electronicengineering;Establishment;Inspection;Low-frequencyengineering;Marking;Measuringtechniques;Qualificationapproval;Qualityassessment;Radiofrequencyconnectors;Specification;Specification(approval);Testing;Types
【摘要】:Givesarecommendedlayoutofadetailspecificationandguidancefortheinformationtobeincluded.
【中国标准分类号】:L23
【国际标准分类号】:31_220_10
【页数】:24P.;A4
【正文语种】:英语