ISO 2120-1972 工业用液氯蒸发物中氯(体积)含量的测定
时间:2024-05-16 17:16:32 来源: 标准资料网 作者：标准资料网 阅读：9545
【英文标准名称】:Liquidchlorineforindustrialuse;Determinationofthecontentofchlorinebyvolumeinthevaporizedproduct
【原文标准名称】:工业用液氯蒸发物中氯(体积)含量的测定
【标准号】:ISO2120-1972
【标准状态】:现行
【国别】:国际
【发布日期】:1972-06
【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/TC47
【标准类型】:()
【标准水平】:()
【中文主题词】:化学分析;含量测定;容量分析;液化气;化学分析和试验;氯
【英文主题词】:Chemicalanalysisandtesting;Chlorine;Determinationofcontent;Liquefiedgases;Volumetricanalysis
【摘要】:Theprincipleconsistsinsamplingofaknownvolumeofchlorine(about100ml)obtainedbygasificationofliquidchlorine.Absorptionofthechlorinebya2%zincamalgaminthepresenceof1mlofsaturatedsodiumchlorinesolution.Measurementoftheresidual,non-condensablegasessuchasH2,O2,N2,CO,CO2,etc.Calculationofthevolumeofchlorinefromthedifferencefromtotalvolume,refereedto100mlofvaporizedsample.Theapparatususedisshowndiagrammaticallyinthefigure.Thesafetymeasuresforworkingwithchlorinearelisted.
【中国标准分类号】:G10
【国际标准分类号】:71_060_10
【页数】:3P;A4
【正文语种】:英语
【英文标准名称】:Communicationcables—Specificationsfortestmethods—Part4-5:Environmentaltestmethods—Climaticsequence
【原文标准名称】:通信电缆.试验方法用规范.环境试验方法.气候类试验
【标准号】:BSEN50289-4-5-2008
【标准状态】:现行
【国别】:英国
【发布日期】:2008-04-30
【实施或试行日期】:2008-03-31
【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】:模拟;模拟信号;电缆;温度变化;气候荷载;通信电缆;通信技术;数字的;数字信号;电气工程;环境条件;环境影响;阻止环境(退化);环境可持续性;环境试验;材料测试;耐力;规范;规范(验收);温度影响;测试;耐气候性试验
【英文主题词】:Analogue;Analoguesignals;Cables;Changesoftemperature;Climaticloading;Communicationcables;Communicationtechnology;Digital;Digitalsignals;Electricalengineering;Environmentalcondition;Environmentalconditions;Environmentaleffect;Environmentalresistance;Environmentalsustainability;Environmentaltesting;Materialstesting;Resistance;Specification;Specification(approval);Temperatureeffects;Testing;Weatheringtests
【摘要】:ThisPart4-5ofEN50289detailsthemethodoftesttodeterminethestabilityoftransmissionperformanceofafinishedcableusedinanalogueanddigitalcommunicationsystemswhensubmittedtotemperaturechangeswhichmayoccurduringuse,storageortransportation.ItistobereadinconjunctionwithPart4-1ofEN50289,whichcontainsessentialprovisionsforitsapplication.
【中国标准分类号】:K10;K13
【国际标准分类号】:33_120_10
【页数】:10P.;A4
【正文语种】:英语
Product Code:SAE J300
Title:Engine Oil Viscosity Classification
Issuing Committee:Fuels And Lubricants Tc 1 Engine Lubrication
Scope:This SAE Standard defines the limits for a classification of engine lubricating oils in rheological terms only. Other oil characteristics are not considered or included.