BS EN ISO 15141-1-1998 食品.谷物和谷物制品中赭曲霉素A的测定.硅胶净化高性能液相色谱法
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【英文标准名称】:Foodstuffs-DeterminationofochratoxinAincerealsandcerealproducts-Highperformanceliquidchromatographicmethodwithsilicagelcleanup
【原文标准名称】:食品.谷物和谷物制品中赭曲霉素A的测定.硅胶净化高性能液相色谱法
【标准号】:BSENISO15141-1-1998
【标准状态】:现行
【国别】:英国
【发布日期】:1998-12-15
【实施或试行日期】:1998-12-15
【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】:文献索引;化学分析和试验;含量测定;水果汁;精密度;赭曲霉素A;再现性;谷类作物;谷类粉;小麦;农产品;校正;方程;谷物食品;啤酒;食品作物;咖啡;水果;油料种子;毒素;作物粉;豆科作物;葡萄酒;谷物产品;控制样品;定量分析;液相色谱法;试验设备;食品;萃取分析法;试验条件;食品检验
【英文主题词】:Cerealfoodproducts;Cereals;Chemicalanalysisandtesting;Cleaning;Cleaningeffect;Determination;Determinationofcontent;Flour;Foodinspection;Foodproducts;HPLC;Liquidchromatography;Mathematicalcalculations;Methodsofanalysis;Ochratoxin;Wheat;Wheatflour
【摘要】:ThisEuropeanStandardspecifiesamethodforthedeterminationofochratoxinAatlevelsgreaterthan0,4μg/kg.Themethodhasbeensuccessfullyvalidatedin2interlaboratorystudiesaccordingtoISO5725:1996[1]onwheatwholemealcontaining0,4μg/kgand1,2ng/kgofochratoxinA.NOTE:Numerouslaboratoryexperienceshaveshownthatthismethodisalsoapplicabletocereals,driedfruits,oilseeds,pulses,wine,beer,fruitjuicesandrawcoffee,see[2],[3],[4].
【中国标准分类号】:X11
【国际标准分类号】:67_050
【页数】:14P.;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforTrapezoidTearingStrengthofGeotextiles
【原文标准名称】:土工布梯形法撕破强力的标准试验方法
【标准号】:ASTMD4533-2004(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:2004
【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】:D35.01
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:Destructivetesting--soil/rock;Felt;Geosynthetics;Strength--geosynthetics;Teartesting--geosyntheticmaterials/applications;Tensileproperties/testing--geosynthetics;Trapezoidtearingtest
【摘要】:Thetrapezoidtearmethodisatestthatproducestensionalongareasonablydefinedcoursesuchthatthetearpropagatesacrossthewidthofthespecimen.Thetrapezoidtearingstrengthforwovenfabricsisdeterminedprimarilybythepropertiesoftheyarnsthataregrippedintheclamps.Innonwovenfabrics,becausetheindividualfibersaremoreorlessrandomlyorientedandcapableofsomereorientationinthedirectionoftheappliedload,themaximumtrapezoidtearingstrengthisreachedwhentheresistancetofurtherreorientationisgreaterthantheforcerequiredtoruptureoneormorefiberssimultaneously.Thetrapezoidtearingstrengthmethodisusefulforestimatingtherelativetearresistanceofdifferentfabricsordifferentdirectionsinthesamefabric.Thistestmethodmaybeusedforacceptancetestingofcommercialshipments;however,cautionisadvisedsinceinformationaboutbetween-laboratoryprecisionisincomplete.Comparativetestsasdirectedin5.3.1maybeadvisable.Incaseofadisputearisingfromdifferencesinreportedtestresultswhenusingthistestmethodforacceptancetestingofcommercialshipments,thepurchaserandthesuppliershouldconductcomparativeteststodetermineifthereisastatisticalbiasbetweentheirlaboratories.Competentstatisticalassistanceisrecommendedfortheinvestigationofbias.Asaminimum,thetwopartiesshouldtakeagroupoftestspecimensthatareashomogeneousaspossibleandthatarefromalotofmaterialofthetypeinquestion.Testspecimensshouldthenberandomlyassignedinequalnumberstoeachlaboratoryfortesting.TheaverageresultsfromthetwolaboratoriesshouldbecomparedusingtheappropriateStudent''st-testandanacceptableprobabilitylevelchosenbythetwopartiesbeforetestingisbegun.Ifabiasisfound,eitheritscausemustbefoundandcorrectedorthepurchaserandthesuppliermustagreetointerpretfuturetestresultsinthelightoftheknownbias.Mostgeotextilefabricscanbetestedbythistestmethod.Somemodificationofclampingtechniquesmaybenecessaryforagivenfabric,dependinguponitsstructure.Specialadaptationmaybenecessarywithstrongfabrics,orfabricsmadefromglassfibers,topreventthemfromslippingintheclampsorbeingdamagedasaresultofbeinggrippedintheclamps.Thistestmethodmaybeusedwithconstant-rate-of-traverse(CRT)orconstant-rate-of-extension(CRE)typetensionmachines.However,theremaybenooverallcorrelationbetweentheresultsobtainedwiththeCRTmachineandtheCREmachine.Consequently,thesetwotensiontesterscannotbeusedinterchangeably.Incaseofcontroversy,theCREmachineshallprevail.1.1Thistestmethodisanindextestusedtomeasuretheforcerequiredtocontinueorpropagateatearinwovenornon-wovengeotextilesbythetrapezoidmethod.Whileusefulforqualitycontrolandacceptancetesting,thetrapezoidteartestdoesnotprovidealltheinformationneededforalldesignapplicationsandothertestmethodsshouldbeused.1.2Thistestmethodisapplicabletomostgeotextilesthatincludewovenfabrics,nonwovenfabrics,layeredfabrics,knitfabrics,andfeltsthatareusedforgeotextileapplications.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:W59
【国际标准分类号】:59_080_70
【页数】:4P.;A4
【正文语种】:英语
【英文标准名称】:Specificationforsafetyofhouseholdandsimilarelectricalappliances.Particularrequirements.Vacuumcleanersandwatersuctioncleaningappliances
【原文标准名称】:家用和类似用途电器的安全规范.第202部分:特殊要求.第2节:真空吸尘器和水吸清洁装置
【标准号】:BS3456Pt.202Sec.202.2-1990
【标准状态】:作废
【国别】:英国
【发布日期】:1990-08-31
【实施或试行日期】:
【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】:
【英文主题词】:
【摘要】:
【中国标准分类号】:Y62
【国际标准分类号】:97_080
【页数】:70P;A4
【正文语种】:英语
