【英文标准名称】:StandardTestMethodforAnalysisofBenzenebyGasChromatography
【原文标准名称】:气相色谱法进行苯分析的标准试验方法
【标准号】:ASTMD4492-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:D16.01
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:benzene;gaschromatography;purity;Impurities--organiccompounds;Nonaromaticimpurities;Purityanalysis--paints/relatedcoatings/materials;Traceelements--paints/relatedcoatings/materials;Benzene--paints/relatedcoatings/materials;Gaschromatogra
【摘要】:Thistestmethodissuitablefordeterminingtheconcentrationsofknownimpuritiesinfinishedbenzeneandforuseasanintegralqualitycontroltoolwherebenzeneiseitherproducedorusedinamanufacturingprocedure.Itisgenerallyappliedtoimpuritiessuchasnonaromaticscontainingninecarbonsorless,toluene,C8aromatics,and1,4-dioxane.Absolutepuritycannotbedeterminedifunknownimpuritiesarepresent.TestMethodD852isgenerallyusedasacriteriafordeterminingtheabsolutepurity.1.1Thistestmethodcoversthedeterminationofnormallyoccurringtraceimpuritiesin,andthepurityof,finishedbenzenebygaschromatography.1.2Thistestmethodisapplicableforbenzenepuritiesof99.80weight%orhigher.1.3Thelowerlimitfordetectionfornon-aromaticimpuritiesis50mg/kg.Thelowerlimitofdetectionforindividualaromatichydrocarbonimpurities10mg/kg.Thelowerlimitofdetectionfor1,4-dioxaneis5mg/kg.1.4Indeterminingtheconformanceofthetestresultsusingthismethodtoapplicablespecifications,resultsshallberoundedoffinaccordancewiththeroundingoffmethodofPracticeE29.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardstatements,seeSection8.
【中国标准分类号】:G16
【国际标准分类号】:71_080_15
【页数】:4P.;A4
【正文语种】:英语


【英文标准名称】:Safetyofmachinery-Interlockingdevicesassociatedwithguards-Principlesfordesignandselection.
【原文标准名称】:机器的安全性.与分离保护装置相关的联锁装置.设计和选择的原则
【标准号】:NFE09-051-2008
【标准状态】:现行
【国别】:法国
【发布日期】:2008-10-01
【实施或试行日期】:2008-10-17
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:通路;事故预防;插销(安全);概念;危险区域;定义;设计;测定;电气工程;设备安全;指导原则;插销;锁紧装置;机器保护装置;机械;机械工程;危险防护;保护设备;保护装置;安全;安全组件;安全装置;安全工程;机械安全;安全要求;选择;分离;规范(验收);U形钉
【英文主题词】:Access;Accidentprevention;Bolts(security);Conception;Dangerzones;Definition;Definitions;Design;Determinations;Electricalengineering;Equipmentsafety;Guidingprinciple;Latches;Lockingdevices;Machineguards;Machines;Mechanicalengineering;Protectionagainstdanger;Protectiondevices;Protectivedevices;Safety;Safetycomponents;Safetydevices;Safetyengineering;Safetyofmachinery;Safetyrequirements;Selection;Separation;Specification(approval);Staples
【摘要】:
【中国标准分类号】:C66
【国际标准分类号】:13_110
【页数】:47P;A4
【正文语种】:其他