BS EN 14107-2003 脂肪和油的衍生物.脂肪酸甲基酯(FAME).用电感耦合等离子体(ICP)辐射光谱法测定磷含量
时间:2024-05-21 00:02:11 来源: 标准资料网 作者：标准资料网 阅读：9842
【英文标准名称】:Fatandoilderivatives-Fattyacidmethylesters(FAME)-Determinationofphosphorouscontentbyinductivelycoupledplasma(ICP)emissionspectrometry
【原文标准名称】:脂肪和油的衍生物.脂肪酸甲基酯(FAME).用电感耦合等离子体(ICP)辐射光谱法测定磷含量
【标准号】:BSEN14107-2003
【标准状态】:现行
【国别】:英国
【发布日期】:2003-05-15
【实施或试行日期】:2003-05-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:测定;含量;油的衍生物;动物油;脂肪酸甲酯;磷;化学分析和试验;试验;定义;甲酯;磷含量;植物油;液体;脂肪酸;油;ICP;光谱测定法;实验室间试验;脂肪;食品;含量测定;分析
【英文主题词】:
【摘要】:ThisEuropeanStandardspecifiesaninductivelycoupledplasma(ICP)emissionspectrometrymethodforthedeterminationofphosphoruscontentbetween4mg/kgand20mg/kginFattyAcidMethylEsters,hereinafterreferredasFAME.ThismethodaimstoevaluatetheFAMEquality,intermsoftransesterificationby-productscontentsuchasphosphorus,whoseconcentrationmayaffectthefuelbehaviour.WARNING—Theuseofthismethodmayinvolvehazardousequipment,materialsandoperations.Thismethoddoesnotpurporttoaddresstoallofthesafetyproblemsassociatedwithitsuse,butitistheresponsibilityoftheusertosearchandestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:X14
【国际标准分类号】:67_200_10
【页数】:12P;A4
【正文语种】:英语
【英文标准名称】:Standardizedelectricalcables.Designationandreferencecomposition.
【原文标准名称】:标准电缆.名称和标准成分
【标准号】:NFL09-501-1978
【标准状态】:现行
【国别】:法国
【发布日期】:1978-07-01
【实施或试行日期】:1978-07-01
【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】:航空运输;名称与符号;企业编号;飞行器部件;电缆;企业编码;代码;飞行器设备
【英文主题词】:
【摘要】:
【中国标准分类号】:V04
【国际标准分类号】:49_060
【页数】:3P;A4
【正文语种】:其他
【英文标准名称】:StandardTestMethodsforThicknessofDiffusionCoating
【原文标准名称】:扩散层厚度的的标准试验方法
【标准号】:ASTMC664-1987(2005)
【标准状态】:现行
【国别】:
【发布日期】:1987
【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】:B08.12
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:扩散;厚度;覆层;试验
【英文主题词】:
【摘要】:Adiffusioncoatingisoneproducedbycausinganelementorelementstoreactwithordiffuseinto,orboth,thesurfaceofametallicsubstrate,thuschemicallyalteringthesubstrateadjacenttothesurface.Toappreciatethesignificanceofcoatingthicknessmeasurementsonemustunderstandthecontributionstoaparticularcoatingofsolid-solutionzonesinthesubstrateandreactionproductssuchasintermetalliccompounds.1.1Thesetestmethodscovertwoproceduresformeasuringthethicknessofdiffusioncoatings.1.2TestMethodAisthedeterminationofthedimensional-changethickness,definedasthedifferenceinthethicknessofthepartbeforeandaftercoating.(Thetermsmicrometerthicknessandpartgrowthareconsideredsynonymouswithdimensionalchangethickness.)1.3TestMethodBisthedeterminationoftotalcoatingthickness,definedasthedistancebetweentheobservablyunaffectedsubstrateandtheexteriorsurfaceofthecoating.Thisincludesthetotalofallincludedphases,zonesandlayers.(Thetermcasedepthisconsideredtobesynonymouswithtotalcoatingthickness.)Thetotalcoatingthicknessisdeterminedbycross-sectioningthecoating,preparingametallurgicalmountandmicroscopicallymeasuringthecoatingthickness.1.4Thetotalcoatingthicknessasdeterminedmicroscopicallyfromacross-sectionwillusuallybegreaterthan,orequalto,thedimensionalchangethicknessdeterminedbypartgrowth.Whenthecoatingisproducedprimarilybyreactionwiththesubstrate,thesubstrate-coatinginterfacerecedesasthesubstrateisconsumedinthereaction.Insuchcasesthedifferencebetweenthetotalcoatingthicknessandthedimensionalchangethicknessisthethicknessofthesubstrateconsumed.1.5Diffusioncoatingsareusuallyformedatelevatedtemperaturesforserviceatelevatedtemperatures.Thismeansthatdiffusioncoatingsaredynamicsystemswhicharecontinuallyundergoingchangeswhileinanelevated-temperatureenvironment.Itisnecessarytoknowthatcertainphasesaregrowingattheexpenseofothersandtoknowtheprevioushistoryofacoatingtounderstandthesignificanceofcoatingthicknessdata.1.6ValuesinSIunitsaretoberegardedasthestandard.Inch-poundunitsareprovidedforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A52
【国际标准分类号】:17_040_20
【页数】:2P.;A4
【正文语种】: