NF T47-284-1999 液态或气态化学制品用橡胶和热塑性软管及其配件.规范
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【英文标准名称】:Rubberandthermoplasticshosesandhoseasembliesforliquidorgaseouschemicals-Specification.
【原文标准名称】:液态或气态化学制品用橡胶和热塑性软管及其配件.规范
【标准号】:NFT47-284-1999
【标准状态】:作废
【国别】:法国
【发布日期】:1999-10-01
【实施或试行日期】:1999-10-30
【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】:储存;软管组件;燃气软管;气体的;液体;塑料软管;橡胶软管;阀门;管道;热塑性聚合物;金属;化合物;作标记;规范(验收);橡胶技术;尺寸;试验;槽罐设备;管联接器;管;柔性管
【英文主题词】:Chemicals;Dimensions;Flexiblegastubes;Flexiblepipes;Gaseous;Hoseassemblies;Liquid;Marking;Metals;Pipecouplings;Pipelines;Pipes;Plasticshose;Rubberhoses;Rubbertechnology;Specification(approval);Storage;Tankinstallations;Testing;Thermoplasticpolymers;Valves
【摘要】:
【中国标准分类号】:G42
【国际标准分类号】:23_040_70
【页数】:23P.;A4
【正文语种】:其他
基本信息
| 标准名称： | 工具用铣刀 加工铝合金扩孔钻槽铣刀用样板和校对样板 检测 HB 4600-92 槽铣刀用 |
| 中标分类： |
机械 >>
工艺装备 >>
刀具 |
| 替代情况： | 替代HB 2429-1979 HB 2430-1979 HB 2431-1979 HB 2432-1979 HB 2438-1979 HB 2439-1979 HB 2440-1979 HB 2441-1979 HB 2442-1979 HB 2443-1979 HB 2444-1979 HB 2445-1979 HB 2446-1979 HB 2447-1979 HB 2448-1979 |
| 发布日期： | 1992-10-04 |
| 实施日期： | 1992-12-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 出版日期： | 1900-01-01 |
| 页数： | 7页 |
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所属分类： 机械 工艺装备 刀具
【英文标准名称】:StandardTestMethodforSimultaneousMeasurementofSulfurCompoundsandMinorHydrocarbonsinNaturalGasandGaseousFuelsbyGasChromatographyandAtomicEmissionDetection
【原文标准名称】:用气相色谱法和原子发射检测法同步测量天然气和气体燃料中硫化合物和微量碳氢化合物的标准试验方法
【标准号】:ASTMD6968-2003
【标准状态】:现行
【国别】:
【发布日期】:2003
【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】:D03.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:检测;天然气;同时的;气相色谱法;硫化合物;气体燃料;测量;发射;燃料气;烃类
【英文主题词】:atomicemissiondetection;extendedgasanalysis;gaschomatography;hydrocarbons;odorants;sulfurcompounds;totalsulfur
【摘要】:Gaseousfuels,suchasnaturalgas,petroleumgasesandbio-gases,containvaryingamountsandtypesofsulfurcompounds.Theyaregenerallyodorous,corrosivetoequipment,andcaninhibitordestroycatalystsemployedingasprocessing.Theiraccuratemeasurementisessentialtogasprocessing,operationandutilization,andmaybeofregulatoryinterest.Smallamounts(typically,1to4ppmv)ofsulfurodorantsareaddedtonaturalgasandotherfuelgasesforsafetypurposes.Somesulfurodorantscanbereactive,andmaybeoxidized,formingmorestablesulfurcompoundshavinglowerodorthresholds.Thesegaseousfuelsareanalyzedforsulfurodorantstohelpinmonitoringandtoensureappropriateodorantlevelsforpublicsafety.Thismethodoffersatechniquetodetermineindividualsulfurspeciesingaseousfuelandthetotalsulfurcontentbycalculation.Gaschromatographyiscommonlyandextensivelyusedtodetermineallcomponentsingaseousfuelsincludingfixedgasandorganiccomponents(TestMethodsD1945andD1946).Majorcomponentsmeasuredareoftenusedforthedeterminationofgasproperty,suchasheatingvalueandrelativedensity.Highermolarmasshydrocarbonsareofinterestevenwhenpresentinsmallamountsbecausetheirlargerimpactonheatingvalue,hydrocarbondewpointandgasqualityrelatingtogasoperation,gasutilizationandenvironmentalimpacts.1.1Thistestmethodisforthedeterminationofvolatilesulfur-containingcompoundsandminorhydrocarbonsingaseousfuelsincludingcomponentswithhighermolarmassthanthatofpropaneinahighmethanegas,bygaschromatography(GC)andatomicemissiondetection(AED).HydrocarbonsincludeindividualaliphaticcomponentsfromC4toC6,aromaticcomponentsandgroupsofhydrocarbonsclassifiedaccordingtocarbonnumbersuptoC12atleast,suchasC6-C7,C7-C8,C8-C9andC9-C10,etc.Thedetectionrangeforsulfurandcarboncontainingcompoundsisapproximately20to100000picograms(pg).Thisisroughlyequivalentto0.04to200mg/m3sulfurorcarbonbasedupontheanalysisofa0.25mLsample.1.2ThistestmethoddescribesaGC-AEDmethodemployingaspecificcapillaryGCcolumnasanillustrationfornaturalgasandothergaseousfuelcontaininglowpercentagesofethaneandpropane.AlternativeGCcolumnsandinstrumentparametersmaybeusedinthisanalysisoptimizedfordifferenttypesofgaseousfuel,providedthatappropriateseparationofthecompoundsofinterestcanbeachieved.1.3Thistestmethoddoesnotintendtoidentifyallindividualsulfurspecies.Unknownsulfurcompoundsaremeasuredasmono-sulfurcontainingcompounds.Totalsulfurcontentofasamplecanbefoundbysummingupsulfurcontentpresentinallsulfurspecies.1.4ThismethodisnotaDetailedHydrocarbonAnalysis(DHA)methodanddoesnotintendtoidentifyallindividualhydrocarbonspecies.Aliphatichydrocarboncomponentslighterthann-hexane,benzene,toluene,ethylbenzene,m,p-xylenesando-xylene(BTEX)aregenerallyseparatedandidentifiedindividually.Highermolarmasshydrocarbonsaredeterminedasgroupsbasedoncarbonnumber,excludingBTEX.Thetotalcarboncontentofpropaneandhighermolarmasscomponentsinasamplecanbefoundbysummingupcarboncontentpresentinallspeciescontainingcarbon.1.5ThevaluesstatedinSIunitsarestandard.Thevaluesstatedininch-poundunitsareforinformationonly.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesa......
【中国标准分类号】:E24
【国际标准分类号】:71_040_50;75_160_30
【页数】:7P.;A4
【正文语种】:
