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ASTM UOP733-2010 气相色谱法测定去氧原料中的残余三酸甘油酯

作者:标准资料网 时间:2024-05-20 01:26:30  浏览:8190   来源:标准资料网
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【英文标准名称】:ResidualTriglyceridesinDeoxygenatedFeedstocksbyGC
【原文标准名称】:气相色谱法测定去氧原料中的残余三酸甘油酯
【标准号】:ASTMUOP733-2010
【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】:.
【标准类型】:(UOP)
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:Thismethodisforprocesscontroltoquicklydeterminebygaschromatography(GC)thepresenceofresidualtriglyceridesandpartiallydeoxygenatedintermediatesindeoxygenatedfeedstockderivedfromplantoilsandanimalfatsincludingbutnotlimitedtocanola,jatropha,soy,palm,oralgaloils.Anapproximatecarbondistributionofproductnaphtha,kerosene(jetfuel),anddieselderivedfromthedeoxygenatedfeedstockisalsodeterminedthroughcarbonnumber24(C24)althoughtheremaybesomeinterferencesfrompartiallydeoxygenatedfeedcomponents.Thelowerlimitofquantitationforanyindividualcomponentorgroupingis0.01mass-%.n-Paraffinvaluesmaybebiasedslightlyhighduetonon-normalselutingatn-paraffinsites.Afterithasbeendeterminedthattherearenoresidualtriglycerides,fattyacids,orpartiallydeoxygenatedintermediatesinthesampleamoredetaileddistributioncanbedeterminedbyUOPMethod732,"AnalysisofDistillateFuelsDerivedfromOxygenated(Bio)FeedstocksbyGC."
【中国标准分类号】:G16
【国际标准分类号】:
【页数】:10P.;A4
【正文语种】:英语


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【英文标准名称】:Fibre-reinforcedplasticcomposites-Determinationofthein-planeshearmodulusbytheplatetwistmethod
【原文标准名称】:纤维增强塑料复合材料用板捻法测定内剪模量
【标准号】:ISO15310-1999
【标准状态】:现行
【国别】:国际
【发布日期】:1999-12
【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/TC61
【标准类型】:()
【标准水平】:()
【中文主题词】:剪切强度;可旋转的;增强塑料;放大;剪切模量;剪切试验;剪切试验;板;测定;试验;定义;定义;纤维增强的;塑料
【英文主题词】:Amplification;Definitions;Determination;Fibrereinforced;Flexibility;Plastics;Plates;Reinforcedplastics;Reinforcement;Rotatable;Shearmodulus;Shearstrength;Sheartesting;Sheartests;Speedoftesting;Testequipment;Testspecimens;Testing
【摘要】:1ThisInternationalStandardspecifiesamethodfordeterminingthein-planeshearmodulus(G12)offibre-reinforcedplasticcompositesusingastandardplatespecimen.Whenappliedtoisotropicmaterials,theshearmodulusmeasuredisindependentofdirection.2Themethodisusedtodeterminetheshearmodulusofthetestspecimensbutnottodeterminetheshearstrength.Itappliestoaplatesupportedontwopointsononediagonalandloadedontheotherdiagonalbythesimultaneousmovementoftwoloadingpointsattachedtoacross-beam.3Themethodissuitableforusewithfibre-reinforcedplasticcompositeswithboththermosetandthermoplasticmatrices.Duetothesheardeformationbeingappliedunderflexuralconditions,forlaminatedmaterialswithdifferentfibreformatsand/ordifferentorientations,thelayersofmaterialmustbewelldistributedacrossthesectionsothatitisapproximately"homogeneous"inthethrough-thicknessdirection.Theprincipalmaterialaxes,ifpresent,mustbeorientatednormaltotheplateedges(see3.8).NOTEThismethodcanbeappliedtounreinforcedpolymersandothermaterials(e.g.metals,ceramicsandmetal-orceramic-matrixcomposites).Formaterialfabricatedusingunidirectionalplies,theshearmodulusobtainedusingamultidirectionalspecimen(i.e.0°/90°/±45°)isnotthesameasthatobtainedforunidirectionalorcross-ply(0°/90°)material.4Themethodisperformedusingspecimenswhichmaybemouldedtothechosendimensions,machinedfromtestplatesormachinedfromflatareasofproducts.5Themethodspecifiespreferreddimensionsforthespecimen.Testswhicharecarriedoutonspecimensofotherdimensions,oronspecimenswhicharepreparedunderdifferentconditions,mayproduceresultswhicharenotcomparable.Otherfactors,suchasthespeedoftestingandtheconditioningofthespecimens,caninfluencetheresults.Consequently,whencomparativedataarerequired,thesefactorsmustbecarefullycontrolledandrecorded.NOTEThestress-strainresponseinshearisverynon-linearathigherstrainlevels.Thistestmethoddeterminesthemoduluswithinalowstrainregionandisnotapplicabletohigherstrains.
【中国标准分类号】:G31
【国际标准分类号】:83_120
【页数】:11P;A4
【正文语种】:英语


【英文标准名称】:MEDICALGLOVESFORSINGLEUSE.PART1:REQUIREMENTSANDTESTINGFORFREEDOMFROMHOLES.(EUROPEANSTANDARDEN455-1).
【原文标准名称】:一次性医用手套.第1部分:孔自由度试验和要求
【标准号】:NFS97-001-1994
【标准状态】:作废
【国别】:法国
【发布日期】:1994-05
【实施或试行日期】:1994-04-20
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:G45
【国际标准分类号】:11_140;83_140_99
【页数】:6P;A4
【正文语种】:其他



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