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【英文标准名称】:Soilquality-Determinationoftraceelementsinextractsofsoilbyinductivelycoupledplasma-atomicemissionspectrometry(ICP-AES)
【原文标准名称】:土质.使用感应耦合等离子体-原子发射光谱法(ICP-AES)测定土壤萃取物中痕量元素
【标准号】:ISO22036-2008
【标准状态】:现行
【国别】:国际
【发布日期】:2008-12
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC190
【标准类型】:()
【标准水平】:()
【中文主题词】:AES;分析;原子发射光谱法;化学分析和测试;土壤组分;定义;测定;含量测定;发酵作用;发射光谱分析;萃取;萃取分析法;浸渍物;ICP;质量;取样;抽样方法;土壤分析;土壤采样;土壤普查;土壤测试;土壤;试样制备;测试;痕量元素
【英文主题词】:AES;Analysis;Atomicemissionspectrometry;Chemicalanalysisandtesting;Compositionoftheground;Definition;Definitions;Determination;Determinationofcontent;Digestion;Emissionspectralanalysis;Extraction;Extractionmethodsofanalysis;Extracts;ICP;Quality;Sampling;Samplingmethods;Soilanalysis;Soilsampling;Soilsurveys;Soiltesting;Soils;Specimenpreparation;Testing;Traceelements
【摘要】:ThisInternationalStandarddescribesthedeterminationoftraceelementsindigestsorextractionsolutionsfromsoilbyinductivelycoupledplasma-atomicemissionspectrometry(ICP-AES)for34elements(seeTable1).Thismulti-elementdeterminationmethodisapplicabletosoilextractsobtainedwithaquaregiainaccordancewithISO11466,withDTPAinaccordancewithISO14870orotherweakextractants,orsoilextractsforthedeterminationoftotalelementcontentsusingtheaciddigestionmethodofISO14869-1orthefusionmethodofISO14869-2.Thechoiceofcalibrationmethoddependsontheextractantandcanbeadaptedtotheextractantconcentration.
【中国标准分类号】:B11
【国际标准分类号】:13_080_10
【页数】:30P;A4
【正文语种】:英语


【英文标准名称】:Waveguidetypedielectricresonators-Part1-3:Generalinformationandtestconditions-Measurementmethodofcomplexrelativepermittivityfordielectricresonatormaterialsatmicrowavefrequency
【原文标准名称】:波导型介电谐振器第1-3部分:一般信息和试验条件微波介电谐振器材料复相对介电常数测量方法
【标准号】:IEC61338-1-3-1999
【标准状态】:现行
【国别】:国际
【发布日期】:1999-11
【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/TC49
【标准类型】:()
【标准水平】:()
【中文主题词】:试验;电气工程;试验条件;材料;微波;测量方法;介质装置;压电器件;频率范围;谐振器;电容率;频率稳定;波导管
【英文主题词】:Dielectricdevices;Electricalengineering;Frequencyranges;Frequencystabilization;Materials;Methodsformeasuring;Microwaves;Permittivity;Piezoelectricdevices;Resonators;Testing;Testingconditions;Waveguides
【摘要】:ThispartofIEC61338describesthedielectricrodresonatormeasurementmethodforawiderangeofmicrowavedielectricpropertiesinpracticalapplications.Thismethodhasthefollowingcharacteristics:-acompleteandexactmathematicalsolutionofcomplexrelativepermittivityisgivenbyeasycomputersoftware;-themeasurementerrorislessthan0,3%forε'andlessthan0,05×10fortanδ;-theTCFisdirectlymeasuredwithoutanycompensationwithameasurementerrorlessthan1×10/K.Theobjectofthisstandardistodescribethemeasurementmethodsofthecomplexrelativepermittivityofdielectricresonatormaterialsatmicrowavefrequenciesbymeansofthedielectricrodresonatormethodshort-circuitedatbothendsbyparallelconductingplates.Themeasuringparametersareε',tanδ,TCFandthetemperaturedependenceoftanδattheresonancefrequency.Thedielectricmaterialsareassumedtobeisotropicandhomogeneous.
【中国标准分类号】:L18
【国际标准分类号】:31_140;33_120_10
【页数】:47P.;A4
【正文语种】:英语