GB/T 14152-1993 热塑性塑料管材耐外冲击性能试验方法真实冲击率法

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基本信息
标准名称:热塑性塑料管材耐外冲击性能试验方法真实冲击率法
英文名称:Thermoplastic pipes -Determination of resistance to external impact -True impact rate method
中标分类: 化工 >> 合成材料 >> 塑料型材
替代情况:被GB/T 14152-2001代替
发布日期:1900-01-01
实施日期:1993-10-01
首发日期:1900-01-01
作废日期:2002-05-01
出版日期:1900-01-01
页数:9页
适用范围

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前言

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所属分类: 化工 合成材料 塑料型材
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【英文标准名称】:StandardTestMethodforTotalCarbonandOrganicCarboninWaterbyHighTemperatureCatalyticCombustionandInfraredDetection
【原文标准名称】:高温催化燃烧和红外探测法水总碳和有机碳的标准试验方法
【标准号】:ASTMD7573-2009
【标准状态】:现行
【国别】:
【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】:D19.06
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:碳;二氧化碳;高温催化氧化;有机碳;全碳量
【英文主题词】:carbon;carbondioxide;hightemperaturecatalyticoxidation;organiccarbon;totalcarbon
【摘要】:Thistestmethodisusedfordeterminationofthecarboncontentofwaterfromavarietyofnatural,domestic,andindustrialsources.Initsmostcommonform,thistestmethodisusedtomeasureorganiccarbonasameansofmonitoringorganicpollutantsinindustrialwastewater.Thesemeasurementsarealsousedinmonitoringwastetreatmentprocesses.TherelationshipofTOCtootherwaterqualityparameterssuchaschemicaloxygendemand(COD)andtotaloxygendemand(TOD)isdescribedintheliterature.1.1Thistestmethodcoversthedeterminationoftotalcarbon(TC),inorganiccarbon(IC),totalorganiccarbon(TOC),dissolvedorganiccarbon(DOC),andnon-purgableorganiccarbon(NPOC)inwater,wastewater,andseawaterintherangefrom0.5mg/Lto4000mg/Lofcarbon.Higherlevelsmaybedeterminedbysampledilution.Thesampleisinjectedontoaquartzbedheatedat680x00BA;C.ThesampleconvertsintoagaseousphaseandforcedthroughalayerofcatalystensuringconversionofallcarboncontainingcompoundstoCO2.Anon-dispersiveinfrared(NDIR)detectormeasurestheresultingCO2.1.2ForTOCandDOCanalysisaportionofthesampleisinjectedtodetermineTCordissolvedcarbon(DC).AportionofthesampleisthenacidifiedandpurgedtoremovetheIC.ThepurgedinorganiccarbonismeasuredasTIC,orDIC.TOCorDOCiscalculatedbysubtractingtheinorganicfractionfromthetotalcarbon.TOC=TCx2013;IC.1.3ForNPOCanalysisaportionofsampleisacidifiedandpurgedtoremoveIC.ThepurgedsampleistheninjectedtodetermineNPOC.1.4Thistestmethodwasusedsuccessfullywithreagentwaterspikedwithpotassiumhydrogenphthalate,sucrose,nicotinicacid,benzoquinone,sodiumdodecylbenzenesulfonate,urea,aceticacid,andhumicacid.Itistheuser''sresponsibilitytoensurethevalidityofthistestmethodforwatersofuntestedmatrices.1.5Thistestmethodisapplicableonlytocarbonaceousmatterinthesamplethatcanbeintroducedintothereactionzone.Thesyringeneedleorinjectoropeningsizegenerallylimitsthemaximumsizeofparticlesthatcanbesointroduced.1.6Inadditiontolaboratoryanalyses,thistestmethodmaybeappliedtostreammonitoring.1.7ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.8Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:C51
【国际标准分类号】:13_060_50
【页数】:8P.;A4
【正文语种】:


【英文标准名称】:Prefabricatedreinforcedcomponentsoflightweightaggregateconcretewithopenstructurewithstructuralornon-structuralreinforcement;GermanversionEN1520:2011
【原文标准名称】:装配式结构,结构或非结构增强的轻骨料混凝土预制增强构件;德文版本EN1520-2011
【标准号】:EN1520-2011
【标准状态】:现行
【国别】:
【发布日期】:2011-06
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Accompanyingforms;Aeratedconcretes;Air-dry;Buildingcomponenttest;Bulkdensity;CEmarking;Components;Concretecomponents;Concretes;Conformityassessment;Construction;Constructionalproducts;Corrosionprotection;Debris;Definitions;Density;Dimensioning;Dimensions;Letterings;Lightweightconcrete;Loadcapacity;Loading;Marking;Materialproperties;Packages;Porosity;Prefabricated;Productstandards;Productioncontrol;Properties;Qualityassurance;Qualitycontrol;Reinforcement;Specification(approval);Stiffness;Strengthofmaterials
【摘要】:
【中国标准分类号】:Q14
【国际标准分类号】:91_100_30
【页数】:119P.;A4
【正文语种】:英语