【英文标准名称】:Phenol,o-cresol,m-cresol,p-cresol,cresylicacidandxylenolsforindustrialuse;Methodsoftest;PartIV:Visualtestforimpuritiesinsolubleinsodiumhydroxidesolution(Excludingcresylicacidandxylenols)
【原文标准名称】:工业用苯酚、邻甲酚、间甲酚、对甲酚、甲苯基酸和二甲苯酚试验方法第4部分:不溶于氢氧化钠溶液的杂质目视试验(甲苯基酸和二甲苯酚除外)
【标准号】:ISO1897-4-1977
【标准状态】:作废
【国别】:国际
【发布日期】:1977-04
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC47
【标准类型】:()
【标准水平】:()
【中文主题词】:酚类;容量分析;杂质;甲酚;含量测定;氢氧化钠;卡·弗歇尔试剂;二甲苯酚;苯酚;感官分析;水;化学分析和试验;化学分析
【英文主题词】:phenol;water;impurities;volumetricanalysis;karlfischerreagent;chemicalanalysisandtesting;xylenol;cresol;phenols;sodiumhydroxide;sensoryanalysis;determinationofcontent
【摘要】:Simpleempiricaltestofnogreatprecision.Theprincipleconsistsinshakingatestportionwithsodiumhydroxidesolutionunderspecifiedconditionsandassessmentofanyinsolublematterpresentinsuspensioninthemixturebycomparisoneitherwithanagreedstandardturbidimetricsolutionorwithsodiumhydroxidesolution.Thecomparisonoftheturbidityofthetwosolutionsiscarriedoutbyviewingverticallyandwiththeelectriclampequippedwithaligthbluedayligth-bulbswitchedon.
【中国标准分类号】:G15
【国际标准分类号】:71_080_90;71_080_15
【页数】:4P;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforTearingStrengthofFabricsbyFalling-PendulumType(Elmendorf)Apparatus
【原文标准名称】:埃尔曼多夫(Elmendorf)落锤仪测定织物抗撕裂强度的标准试验方法
【标准号】:ASTMD1424-2007a
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:D13.60
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:布;裂纹;耐力;测试;纺织测试;纺织材料;机织物;纱
【英文主题词】:Elmendorf;fabric;strength;tear;Airbagmaterials/applications;Blankets;Elmendorfapparatus;Fallingpendulumtest;Teartesting;Woventextilefabrics
【摘要】:Thistestmethodforthedeterminationoftearingstrengthbythefallingpendulumtypeapparatusisusedinthetradefortheacceptancetestingofcommercialshipmentsoffabrics,butcautionisadvisedsincetechniciansmayfailtogetgoodagreementbetweenresultsoncertainfabrics.Comparativetestsasdirectedin5.1.1maybeneeded.Incaseofadisputearisingfromdifferencesinreportedtestresultswhenusingthistestmethodforacceptancetestingofcommercialshipments,thepurchaserandthesuppliershouldconductcomparativeteststodetermineifthereisastatisticalbiasbetweentheirlaboratories.Statisticalassistanceisrecommendedfortheinvestigationofbias.Asaminimum,thetwopartiesshouldtakeagroupoftestspecimensthatareashomogeneousaspossibleandthatarefromalotoffabricofthetypeinquestion.Thetestspecimensshouldthenberandomlyassignedinequalnumberstoeachlaboratoryfortesting.Theaverageresultsfromthetwolaboratoriesshouldbecomparedusingappropriatestatisticalanalysisandanacceptableprobabilitylevelchosenbythetwopartiesbeforethetestingbegan.Ifabiasisfound,eitheritscausemustbefoundandcorrectedorthepurchaserandthesuppliermustagreetointerpretfuturetestresultswithconsiderationtotheknownbias.Microprocessorsystemsforautomaticcollectionofdatacanprovideeconomicalandreliableresultswhenproperlycalibrated.SeeTestMethodsD2261andD5587.1.1Thistestmethodcoversthedeterminationoftheforcerequiredtopropagateasingle-riptearstartingfromacutinafabricandusingafalling-pendulumtype(Elmendorf)apparatus.1.2Thistestmethodappliestomostfabricsincludingwoven,layeredblankets,nappedpile,blanket,andairbagfabrics,providedthefabricdoesnottearinthedirectioncrosswisetothedirectionoftheforceapplicationduringthetest.Thefabricsmaybeuntreated,heavilysized,coated,resin-treated,orotherwisetreated.Instructionsareprovidedfortestingspecimenswith,orwithout,wetting.1.3Thismethodissuitableonlyforthewarpdirectiontestsofwarp-knitfabrics.Itisnotsuitedforthecoursedirectionofwarpknitfabricsoreitherdirectionofmostotherknittedfabrics.1.4ThevaluesstatedineitherSIunitsorU.S.customaryunitsaretoberegardedasstandard,butmustbeusedindependentlyofeachother.TheU.S.customaryunitsmaybeapproximate.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:W04
【国际标准分类号】:59_080_30
【页数】:8P.;A4
【正文语种】: