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DIN EN ISO 16931-2009 动植物脂肪和油.采用高效凝胶排阻层析(HPSEC)测定聚合甘油三酸酯含量(ISO16931-2009);德文版本ENISO16931-2009

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【英文标准名称】:Animalandvegetablefatsandoils-Determinationofpolymerizedtriacylglycerolsbyhigh-performancesize-exclusionchromatography(HPSEC)(ISO16931:2009);EnglishversionofDINENISO16931:2009-08
【原文标准名称】:动植物脂肪和油.采用高效凝胶排阻层析(HPSEC)测定聚合甘油三酸酯含量(ISO16931-2009);德文版本ENISO16931-2009
【标准号】:DINENISO16931-2009
【标准状态】:现行
【国别】:德国
【发布日期】:2009-08
【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】:农产品;动物脂肪;动物油;化学分析和测试;色谱;色谱法;定义;测定;含量测定;排斥;脂肪;脂肪酸;食品;油炸;大容量;高效凝胶排阻层析;HPSEC;熔点;聚合物;精密度;定性分析;定量分析;测试;甘油三酯分析;植物脂肪;植物油
【英文主题词】:Agriculturalproducts;Animalfats;Animaloils;Chemicalanalysisandtesting;Chromatograms;Chromatography;Definitions;Determination;Determinationofcontent;Exclusion;Fats;Fattyacids;Foodproducts;Fryingfat;Highcapacity;High-performancesize-exclusionchromatography;HPSEC;Meltingpoint;Polymerisates;Precision;Qualitativeanalysis;Quantitativeanalysis;Testing;Triglyceridanalysis;Vegetablefats;Vegetableoils
【摘要】:ThisInternationalStandardspecifiesamethodusinghigh-performancesize-exclusionchromatography(HPSEC)todeterminethecontents,asmassfractions,ofpolymerizedtriacylglycerols(PTAGs)inoilsandfatswhichcontainatleast3%(frompeakareas)ofthesepolymers.PTAGs(strictlyspeakingdimericandoligomerictriacylglycerols)areformedduringtheheatingoffatsandoils,andthus,themethodservestoassessthethermaldeteriorationoffryingfatsafteruse.Thismethodisapplicabletofryingfatsandfatsandoilsthathavebeenthermallytreated,providedthatthecontentofPTAGsisatleast3%.Itcanalsobeappliedtothedeterminationofpolymersinfatsforanimalfeedstuffs,althoughinthiscase,theextractionmethodusedcanhaveaninfluenceontheresult.NOTEForfurtherdetails,seeISO6492.
【中国标准分类号】:X14
【国际标准分类号】:67_200_10
【页数】:16P.;A4
【正文语种】:英语


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【英文标准名称】:Clothingforprotectionagainstliquidchemicals-Determinationoftheresistanceofprotectiveclothingmaterialstopenetrationbyliquidsunderpressure
【原文标准名称】:防液体化学制品的防护服.防护服材料在压力下防液体渗透的测定
【标准号】:ISO13994-2005
【标准状态】:现行
【国别】:国际
【发布日期】:2005-10
【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/TC94
【标准类型】:()
【标准水平】:()
【中文主题词】:化合物;定义;测定;外衣;实验室试验;液体;渗透探伤;渗透力;防护服装;耐力;试验;工作服
【英文主题词】:Chemicals;Definitions;Determination;Garment;Laboratorytesting;Liquids;Penetrantflawdetection;Permability;Protectiveclothing;Resistance;Testing;Workclothes
【摘要】:ThisInternationalStandarddescribesalaboratorytestmethodthatenablesdeterminationoftheresistanceofmaterialsusedinprotectiveclothingtovisiblepenetrationundertheconditionsofcontinuousliquidcontactandpressure,forexample,clothingthatisexposedtorepeatedsplashesofliquidsprayunderpressure.Protectiveclothing"pass/fail"determinationsarebasedonvisualdetectionofliquidpenetration.Thistestmethodisnormallyusedtoevaluatethebarriereffectivenessagainstliquidsofmaterialsusedforprotectiveclothingandspecimensfromfinisheditemsofprotectiveclothing.NOTEFinisheditemsofprotectiveclothingincludegloves,armshields,aprons,suits,hoods,bootsandthelike.Thephrase"specimensfromfinisheditems"encompassesseamedandotherdiscontinuousregionsaswellastheusualcontinuousregionsofprotectiveclothingitems.Thistestmethodcanbeusedtoidentifyprotectiveclothingmaterialsandconstructionsthatlimitexposurestohazardousliquidchemicalsunderavarietyofcircumstances.Thistestmethodisparticularlyusefulfordemonstratingtheliquidhold-outcapabilitiesofmicroporousfabrics.Significantamountsofhazardousmaterialscanpermeatespecimensthatpasspenetrationtests.MoresensitiveanalysisofpermeationcanbecarriedoutusingISO6529.Penetrationresistanceofprotectiveclothingmaterialsusinglesssevereliquidchallenges,withoutpressure,canbecarriedoutusingISO6530.ISO6530usesarelativelylow-volume,short-durationliquidchallengewhichisappropriatefortreatedporousandothernon-film-basedoruncoatedmaterials.ThisInternationalStandardaddressesonlytheperformanceofmaterialsorcertainmaterialconstructions(e.g.seams)usedinprotectiveclothing.Itdoesnotaddressthedesign,overallconstructionandcomponents,orinterfacesofgarmentsorotherfactorswhichmayaffecttheoverallprotectionofferedbytheprotectiveclothing.ItisemphasizedthatthetestmethodspecifiedinthisInternationalStandarddoesnotnecessarilysimulateconditionsthatclothingmaterialsarelikelytobeexposedtoinpractice.Thereforetheuseoftestdataistoberestrictedtobroadcomparativeassessmentofsuchmaterialsaccordingtotheirliquidpenetrationresistancecharacteristics.
【中国标准分类号】:C73
【国际标准分类号】:13_340_10
【页数】:16P.;A4
【正文语种】:英语


【英文标准名称】:Windingwires.Methodsoftest.Mechanicalproperties
【原文标准名称】:绕组线.第2部分:试验方法.第3节:机械性能
【标准号】:BS6811Sec.2.3-1992
【标准状态】:作废
【国别】:英国
【发布日期】:1992-12-15
【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】:试验设备;外观检查(试验);延伸;绕组;机械试验;试样;尺寸;直径;试验条件;弯曲试验;剥离试验;导电体;附着力试验;缠绕试验;公式;挠性;磨损试验;电线;绝缘线
【英文主题词】:
【摘要】:
【中国标准分类号】:L17
【国际标准分类号】:
【页数】:32P;A4
【正文语种】:英语