GB/T 28628-2012 材料诱生空气离子量测试方法
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来源:标准资料网
基本信息
标准名称: | 材料诱生空气离子量测试方法 |
英文名称: | Test method for air ion concentration of materials |
中标分类: |
建材 >>
其他非金属矿制品 >>
石棉材料 |
ICS分类: |
建筑材料和建筑物 >>
建筑材料 >>
|
发布部门: | 中华人民共和国国家质量监督检验检疫总局 中国国家标准化管理委员会 |
发布日期: | 2012-07-31 |
实施日期: | 2013-02-01 |
首发日期: | 2012-07-31 |
作废日期: | |
主管部门: | 中国建筑材料联合会 |
提出单位: | 中国建筑材料联合会 |
归口单位: | 全国轻质与装饰装修建筑材料标准化技术委员会(SAC/TC195) |
起草单位: | 中国建筑材料科学研究总院、深圳广田装饰集团股份有限公司等 |
起草人: | 冀志江、王继梅、李少强、王静、张朝伦、曾斌、吴少勇、杨顺鑫、王子祥、余钢、 |
出版社: | 中国标准出版社 |
出版日期: | 2013-02-01 |
页数: | 8 |
适用范围
本标准规定了材料诱生空气离子量测试方法的术语和定义、原理、测试系统、测试条件、样品制备、
测试步骤、结果计算和测试报告。
本标准适用于能够诱生空气离子的材料,如涂料、板材、壁纸、腻子等。
前言
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目录
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引用标准
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所属分类: 建材 其他非金属矿制品 石棉材料 建筑材料和建筑物 建筑材料
【英文标准名称】:StandardTestMethodforAirborneAsbestosConcentrationinAmbientandIndoorAtmospheresasDeterminedbyTransmissionElectronMicroscopyDirectTransfer(TEM)
【原文标准名称】:用透射式电子显微镜直接转移法测定周围环境和室内空气中气载石棉浓度的标准试验方法
【标准号】:ASTMD6281-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:D22.07
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:air;ambientair;amphibole;asbestos;chrysotile;electronmicroscopy;indooratmospheres;microscopy;Poissonfrequencydistribution;Transmissionelectronmicroscopy(TEM);AirborneasbestosbydirecttransferTEM;Ambientair/atmosphericanaly
【摘要】:Thistestmethodisapplicabletothemeasurementofairborneasbestosinawiderangeofambientairsituationsandfordetailedevaluationofanyatmosphereinwhichasbestosstructuresarelikelytobepresent.Mostfibersinambientatmospheresarenotasbestos,andtherefore,thereisarequirementforfiberstobeidentified.Mostoftheairborneasbestosfibersinambientatmosphereshavediametersbelowtheresolutionlimitofthelightmicroscope.Thistestmethodisbasedontransmissionelectronmicroscopy,whichhasadequateresolutiontoallowdetectionofsmallthinfibersandiscurrentlytheonlytechniquecapableofunequivocalidentificationofthemajorityofindividualfibersofasbestos.Asbestosisoftenfound,notassinglefibers,butasverycomplex,aggregatedstructures,whichmayormaynotalsobeaggregatedwithotherparticles.Thefibersfoundsuspendedinanambientatmospherecanoftenbeidentifiedunequivocallyifsufficientmeasurementeffortisexpended.However,ifeachfiberweretobeidentifiedinthisway,theanalysiswouldbecomeprohibitivelyexpensive.Becauseofinstrumentaldeficienciesorbecauseofthenatureoftheparticulatematter,somefiberscannotbepositivelyidentifiedasasbestoseventhoughthemeasurementsallindicatethattheycouldbeasbestos.Therefore,subjectivefactorscontributetothismeasurement,andconsequently,averyprecisedefinitionoftheprocedureforidentificationandenumerationofasbestosfibersisrequired.Themethoddefinedinthistestmethodisdesignedtoprovideadescriptionofthenature,numericalconcentration,andsizesofasbestos-containingparticlesfoundinanairsample.Thetestmethodisnecessarilycomplexbecausethestructuresobservedarefrequentlyverycomplex.Themethodofdatarecordingspecifiedinthetestmethodisdesignedtoallowreevaluationofthestructure-countingdataasnewapplicationsformeasurementsaredeveloped.Allofthefeasiblespecimenpreparationtechniquesresultinsomemodificationoftheairborneparticulatematter.Eventhecollectionofparticlesfromathree-dimensionalairbornedispersionontoatwo-dimensionalfiltersurfacecanbeconsideredamodificationoftheparticulatematter,andsomeoftheparticles,inmostsamples,aremodifiedbythespecimenpreparationprocedures.However,theproceduresspecifiedinthistestmethodaredesignedtominimizethedisturbanceofthecollectedparticulatematerial.Thistestmethodappliestoanalysisofasinglefilteranddescribestheprecisionattributabletomeasurementsforasinglefilter(see13.1).Multipleairsamplesareusuallynecessarytocharacterizeairborneasbestosconcentrationsacrosstimeandspace.Thenumberofsamplesnecessaryforthispurposeisproportionaltothevariationinmeasurementacrosssamples,whichmaybegreaterthanthevariationinameasurementforasinglesample.1.1Thistestmethodisananalyticalprocedureusingtransmissionelectronmicroscopy(TEM)forthedeterminationoftheconcentrationofasbestosstructuresinambientatmospheresandincludesmeasurementofthedimensionofstructuresandoftheasbestosfibersfoundinthestructuresfromwhichaspectratiosarecalculated.1.1.1Thistestmethodallowsdeterminationofthetype(s)ofasbestosfiberspresent.1.1.2Thistestmethodcannotalwaysdiscriminatebetweenindividualfibersoftheasbestosandnon-asbestosanaloguesofthesameamphibolemineral.1.2Thistestmethodissuitablefordeterminationofasbestosinbothambient(outdoor)andbuildingatmospheres.1.2.1Thistestmethodisdefinedforpolycarbonatecapillary-porefiltersorcelluloseester(eithermixedestersofcelluloseorcellulosenitrate)filtersthroughwhichaknownvolumeofairhasbeendrawnandforblankfilters.【英文标准名称】:Stud-ends,incorrosion-resistantsteel,swagedonaircraftcontrolwirerope-Dimensionsandloads
【原文标准名称】:航空器操纵钢丝绳上的锻制耐腐蚀钢螺柱端.尺寸规格及载荷
【标准号】:BSISO9749-2001
【标准状态】:现行
【国别】:英国
【发布日期】:2001-03-15
【实施或试行日期】:2001-03-15
【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】:航空航天运输;航空运输;航空器;飞行操纵;断裂荷载;控制电缆;耐腐蚀钢;名称与符号;尺寸规格;负荷;作标记;材料;特性;绳索;绳套;航天运输;规范(验收);钢;螺纹;公差(测量);金属丝绳端子
【英文主题词】:Aerospacetransport;Airtransport;Aircraft;Aircraftcontrols;Breakingload;Controlcables;Corrosion-resistantsteels;Designations;Dimensions;Loading;Marking;Materials;Properties;Ropes;Sockets(ropes);Spacetransport;Specification(approval);Steels;Threads;Tolerances(measurement);Wireropeterminals
【摘要】:ThisInternationalStandardspecifiesthecharacteristicsofstud-endsincorrosion-resistantsteelswagedonaircraftcontrolwirerope.
【中国标准分类号】:V22
【国际标准分类号】:49_035
【页数】:12P.;A4
【正文语种】:英语