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DIN ISO 3908-1991 硬质合金.不溶(游离)性碳含量的测定.重量分析法

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【英文标准名称】:Hardmetals;determinationofinsoluble(free)carboncontent;gravimetricmethod;identicalwithISO3908:1985
【原文标准名称】:硬质合金.不溶(游离)性碳含量的测定.重量分析法
【标准号】:DINISO3908-1991
【标准状态】:作废
【国别】:德国
【发布日期】:1991-07
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:NPu
【标准类型】:()
【标准水平】:()
【中文主题词】:碳化物;碳;公差;烧结产品;粉末冶金;化学分析和试验;试验;抽样方法;硬质合金;重量分析;过滤;重量分析的;重量分析法;非溶解的;材料;试剂;含量测定;金属
【英文主题词】:Carbides;Carbon;Carboncontent;Chemicalanalysisandtesting;Determinationofcontent;Filtration;Gravimetric;Gravimetricanalysis;Gravimetry;Hardmetals;Insoluble;Materials;Metals;Powdermetallurgy;Reagents;Samplingmethods;Sinteredproducts;Testing;Tolerances(measurement)
【摘要】:Thestandardspecifiesagravimetricmethodfordeterminationoftheinsoluble(free)carboncontentofcarbidesandhardmetals.
【中国标准分类号】:H16
【国际标准分类号】:77_160
【页数】:3P.;A4
【正文语种】:德语


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【英文标准名称】:StandardTestMethodforDeterminationofMetalsandMetalloidsinAirborneParticulateMatterbyInductivelyCoupledPlasmaAtomicEmissionSpectrometry(ICP-AES)
【原文标准名称】:用感应耦合等离子体原子发射光谱法(ICP-AES)测定空气颗粒物中金属和类金属的标准试验方法
【标准号】:ASTMD7035-2004
【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】:D22.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:准金属;粒状物;原子发射光谱法;大气;等离子体;感应;空气质量;试验;耦合的;ICP;金属;AES;测定
【英文主题词】:analysis;atomicspectrometry;elements;metals;metalloids;samplepreparation;workplaceair
【摘要】:Thehealthofworkersinmanyindustriesisatriskthroughexposurebyinhalationtotoxicmetalsandmetalloids.Industrialhygienistsandotherpublichealthprofessionalsneedtodeterminetheeffectivenessofmeasurestakentocontrolworkersx2019;exposures,andthisisgenerallyachievedbymakingworkplaceairmeasurements.Thisstandardhasbeenpromulgatedinordertomakeavailableamethodformakingvalidexposuremeasurementsforawiderangeofmetalsandmetalloidsthatareusedinindustry.Itwillbeofbenefittoagenciesconcernedwithhealthandsafetyatwork;industrialhygienistsandotherpublichealthprofessionals;analyticallaboratories;industrialusersofmetalsandmetalloidsandtheirworkers,andsoforth.Thistestmethodspecifiesagenericmethodfordeterminationofthemassconcentrationofmetalsandmetalloidsinworkplaceairusinginductivelycoupledplasmaatomicemissionspectrometry.Note28212;Forsomeelementsthesamplingandsamplepreparationstepsdescribedhereinmaybeusedforsubsequentanalysisbyothermeans,forexample,atomicabsorptionspectrometryorelectroanalysis.Theanalysisresultscanbeusedfortheassessmentofworkplaceexposurestometalsandmetalloidsinworkplaceair.Note38212;RefertoGuideE1370forguidanceonthedevelopmentofappropriateexposureassessmentandmeasurementstrategies.1.1Thistestmethodspecifiesaprocedureforcollection,samplepreparation,andanalysisofairborneparticulatematterforthecontentofmetalsandmetalloidsusinginductivelycoupledplasma-atomicemissionspectrometry(ICP-AES).1.2Themethodisapplicabletopersonalsamplingoftheinhalableorrespirablefractionofairborneparticlesandtoareasampling.1.3Thismethodspecifiesanumberofalternativemethodsforpreparingtestsolutionsfromsamplesofairborneparticulatematter.Oneofthespecifiedsamplepreparationmethodsisapplicabletothemeasurementofsolublemetalormetalloidcompounds.Otherspecifiedmethodsareapplicabletothemeasurementoftotalmetalsandmetalloids.1.4Thefollowingisanon-exclusivelistofmetalsandmetalloidsforwhichoneormoreofthesampledissolutionmethodsspecifiedinthisdocumentisapplicable.However,thereisinsufficientinformationavailableontheeffectivenessofdissolutionmethodsforthoseelementsinitalics.1.5Themethodisnotapplicabletothesamplingofelementalmercury,ortoinorganiccompoundsofmetalsandmetalloidsthatarepresentinthegaseousorvaporstate.1.6Thistestmethodcontainsnotesthatareexplanatoryandarenotpartofthemandatoryrequirementsofthemethod.1.7ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z15
【国际标准分类号】:13_040_20
【页数】:25P.;A4
【正文语种】:


【英文标准名称】:Welding-Recommendationsforweldingofmetallicmaterials-Part7:Electronbeamwelding;GermanversionEN1011-7:2004
【原文标准名称】:焊接.焊接金属材料的建议.第7部分:电子束焊接
【标准号】:DINEN1011-7-2004
【标准状态】:现行
【国别】:德国
【发布日期】:2004-10
【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】:定义;可焊性;专家;焊接工程;方法;质量管理;金属;焊接程序规范;空白格式;熔焊;制作原理;适宜性;质量要求;焊缝;准备;搬运;电子束焊;说明书;金属的;钢件焊接;金属焊接;推荐;焊接工艺;质量保证;材料;储存;钢;焊接填充金
【英文主题词】:
【摘要】:
【中国标准分类号】:J33
【国际标准分类号】:25_160_10
【页数】:40P;A4
【正文语种】:德语