ISO 15304-2002 动植物脂肪和油.蔬菜脂肪和油过脂肪酸异构体含量测定.气相色谱法
时间:2024-05-04 05:33:05 来源: 标准资料网 作者：标准资料网 阅读：9604
【英文标准名称】:Animalandvegetablefatsandoils-Determinationofthecontentoftransfattyacidisomersofvegetablefatsandoils-Gaschromatographicmethod
【原文标准名称】:动植物脂肪和油.蔬菜脂肪和油过脂肪酸异构体含量测定.气相色谱法
【标准号】:ISO15304-2002
【标准状态】:现行
【国别】:国际
【发布日期】:2002-03
【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/TC34
【标准类型】:()
【标准水平】:()
【中文主题词】:气相色谱法;试验;含量测定;农产品;植物脂肪;定义;动物脂肪;脂肪;脂肪酸;植物油;油;动物油
【英文主题词】:Agriculturalproducts;Animal;Animalfats;Animaloils;Chemicalanalysisandtesting;Composition;Definitions;Determinationofcontent;Fats;Fattyacids;Foodproducts;Gaschromatograms;Gaschromatography;Investigationmethods;Isomer;Mathematicalcalculations;Methodsofanalysis;Methylesters;Oils;Precision;Testing;Vegetable;Vegetablefats;Vegetableoils
【摘要】:ThisInternationalStandardspecifiesagaschromatographicmethodusingcapillarycolumnsforthedeterminationofthecontentoftransfattyacidisomersofvegetableoilsandfats.Themethodisspeciallydesignedtoevaluate,byasinglecapillarygaschromatographic(GC)procedure,theleveloftransisomersasformedduring(hightemperature)refining,orduringhydrogenationofvegetableoilsorfats.Themethodmayalsobeusedtoreportallotherfattyacids(e.g.toobtainthefullfattyacidcompositionandtotalamountsofsaturatedfattyacids,mono-unsaturatedfattyacidsandpoly-unsaturatedfattyacids)fromthesamesampleandsameanalysis.NOTE1Thetrans-isomercontentasobtainedwiththismethodmaynotagreewiththetrans-isomercontentasobtainedusingothermethods.NOTE2During(hightemperature)refining(deacidificationanddeodorization),onlygeometricalisomersareformedofthemono-andpoly-unsaturatedfattyacids;i.e.thedoublebond(s)remain(s)atthesamenaturalposition.Duringhydrogenation,bothpositionalandgeometricalisomersareformed.NOTE3Forsomespecificcis-andtrans-isomersformedduringhydrogenation,co-elutionispossible.Thiscouldinfluencetheaccuracyoftheresult.Theleveloftheseisomersisusuallynegligibleinnormalpartiallyhydrogenatedoilsandfats.
【中国标准分类号】:X16
【国际标准分类号】:67_200_10
【页数】:20P;A4
【正文语种】:英语
【英文标准名称】:Linearcalibrationusingreferencematerials(ISO11095:1996);TextGermanandEnglish
【原文标准名称】:使用标准物质作线性校准
【标准号】:DINISO11095-2008
【标准状态】:现行
【国别】:德国
【发布日期】:2008-04
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:校正;校准曲线;校准性能;校准实施;定义;检验;检验方法;线性的;测量;测量仪器;测量系统;测量技术;多语种的;精密度;质量保证;质量控制;质量管理;参考材料;统计方法分析;统计检验;统计学;测试;试验
【英文主题词】:Calibration;Calibrationcurve;Calibrationfunction;Calibrationpractice;Definition;Definitions;Inspection;Inspectionmethods;Linear;Measurement;Measuringinstruments;Measuringsystems;Measuringtechniques;Multilingual;Precision;Qualityassurance;Qualitycontrol;Qualitymanagement;Referencematerials;Statisticalmethodsofanalysis;Statisticaltesting;Statistics;Testing;Tests
【摘要】:ThisInternationalStandard:a)outlinesthegeneralprinciplesneededtocall-brateameasurementsystemandtomaintainthat"calibrated"measurementsysteminasta-teofstatisticalcontrol;b)providesabasicmethod--forestimatingalinearcalibrationfunctionundereitheroneoftwoassumptionsrelat-lngtothevariabilityofthemeasurements,--forcheckingtheassumptionoflinearityofthecalibrationfunctionandtheassump-tionsonthevariabilityofthemeasure-ments,and--forestimatingthevalueofanewunknownquantitybytransformingthemeasuredva-luesobtainedonthatquantitywiththeca-librationfunction;c)providesacontrolmethodforextendeduseofacalibrationfunctionfordetectingwhenthecalibrationfunctionneedstobeupdated,andforestimatingtheuncertaintyofthemeas-uredvaluesaftertransformationwiththecalibrationfunction;d)providestwoalternativestothebasicmethodunderspecialconditions;e)illustratesthebasicmethodandthecontrolmethodwithanexample.ThisInternationalStandardisapplicabletomeas-urementsystemsforwhichreferencematerialsareavailable.Itisapplicabletomeasurementsystemswithanassumedlinearcalibrationfunction.Itoffersame-thodforexaminingtheassumptionoflinearity.Ifitisknownthatthecalibrationfunctionisnonlinear,thenthisInternationalStandardisnotapplicableunlessoneusesthe"bracketingtechnique"de-scribedin8.3.ThisInternationalStandarddoesnotmakeadis-tinctionamongthevarioustypesofRMsandcon-sidersthattheacceptedvaluesoftheRMsselectedtocalibratethemeasurementsystemarewithouterror.
【中国标准分类号】:A50
【国际标准分类号】:17_020
【页数】:63P.;A4
【正文语种】:
【英文标准名称】:Semiconductordevices-Integratedcircuits-Part23-1:Hybridintegratedcircuitsandfilmstructures;Manufacturinglinecertification;Genericspecification
【原文标准名称】:半导体器件.集成电路.第23-1部分:混合集成电路和薄膜结构.生产线认证.总规范
【标准号】:IEC60748-23-1-2002
【标准状态】:现行
【国别】:国际
【发布日期】:2002-05
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/SC47A
【标准类型】:()
【标准水平】:()
【中文主题词】:电子设备及元件;能力鉴定;膜集成电路;混合薄膜集成电路;混合集成电路;半导体器件;定义;总规范;集成电路;薄膜电路;电子工程
【英文主题词】:Capabilityapproval;Definitions;Electronicengineering;Electronicequipmentandcomponents;Filmcircuits;Genericspecification;Hybridfilmintegratedcircuits;Hybridintegratedcircuits;Integratedcircuits;Integratedfilmcircuits;Semiconductordevices
【摘要】:Appliestohigh-qualityhybridintegratedcircuits(withfilms)incorporatingspecialcustomerqualityandreliabilityrequirements.Hybridintegratedcircuitsmaybefullyorpartlycompleted.Partlycompleteddevicesarethosethatmaybesuppliedtoc
【中国标准分类号】:L58
【国际标准分类号】:31_200
【页数】:85P.;A4
【正文语种】:英语