BS 6778-1986 与便携式非固定式或壁装式加热炉一起使用的炉栏规范
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【英文标准名称】:Specificationforfireguardsforusewithportable,free-standingorwall-mountedheatingappliances
【原文标准名称】:与便携式非固定式或壁装式加热炉一起使用的炉栏规范
【标准号】:BS6778-1986
【标准状态】:作废
【国别】:英国
【发布日期】:1986-10-31
【实施或试行日期】:1986-10-31
【发布单位】:英国标准学会(BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:机械试验;装配;家用的;火灾防护装置;热阻;热试验;溶解度试验方法;附着力试验;防火;加热器;刚度;挠曲试验;金属;加热试验;覆层;涂料;设计;试验设备;作标记;尺寸;使用说明;含量测定
【英文主题词】:
【摘要】:
【中国标准分类号】:Q83
【国际标准分类号】:13_220_20
【页数】:12P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforTraceCarbonylSulfideinPropylenebyGasChromatography
【原文标准名称】:气相色谱法丙烯中微量硫化碳的标准试验方法
【标准号】:ASTMD5303-1992(2007)
【标准状态】:现行
【国别】:美国
【发布日期】:1992
【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】:D02.D0.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:carbonylsulfide;flamephotometricdetector;gaschromatography;propylene;Carbonylsulfide(COS);Flamephotometricdetectors(FPD);Gaschromatography(GC)--petroleumproducts;Photometry;Propylene;Tracecarbonylsulfide(COS);Traceelements--petro
【摘要】:Inprocessesproducingpropylene,COSusuallyremainswiththeC3hydrocarbonsandmustberemoved,sinceitaffectsproductquality.COSactsasapoisontocommercialpolymerizationcatalysts,resultingindeactivationandcostlyprocessdowntime.AccurategaschromatographicdeterminationoftraceCOSinpropyleneinvolvesuniqueanalyticalproblemsbecauseofthechemicalnatureofCOSandidiosyncraciesoftracelevelanalyses.TheseproblemsresultfromthereactiveandabsorptivenatureofCOS,thelowconcentrationlevelsbeingmeasured,thetypeofdetectorneeded,andtheinterferencesfromthepropylenesamplematrix.Thistestmethodaddressestheseanalyticalproblemsandwaystoproperlyhandlethemtoassureaccurateandpreciseanalyses.ThistestmethodprovidesabasisforagreementbetweentwolaboratorieswhenthedeterminationoftraceCOSinpropyleneisimportant.Thetestmethodpermitsseveralcalibrationtechniques.Forbestagreementbetweentwolabs,itisrecommendedthattheyusethesamecalibrationtechnique.1.1Thistestmethodcoversthedeterminationoftracesofcarbonylsulfide(COS)inpropylene.ItisapplicabletoCOSconcentrationsfrom0.5to4.0mg/kg(partspermillionbymass).SeeNote1.Note18212;Thelowerlimitofthistestmethodisbelievedtobebelow0.1mg/kg,dependingonsamplesizeandsensitivityoftheinstrumentationbeingused.However,thecooperativetestingprogramwasconductedinthe0.5to4.0rangeduetolimitationsinpreparingcommercialtestmixtures.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecifichazardsstatementsaregiveninSection8.
【中国标准分类号】:G16
【国际标准分类号】:71_080_10
【页数】:6P.;A4
【正文语种】:英语
Product Code:SAE AIR84
Title:Ignition Peak Voltage Measurements (NONCURRENT Jun 1994)
Issuing Committee:E-30 Propulsion Ignition Systems Committee
Scope:These specifications contain general information about the characteristics of ignition systems and measuring techniques; recommneded types of voltage dividers and output indicators; calibration procedures.
