ASTM E222-2010 乙酸酐乙酰化法进行羟基试验的标准试验方法
时间:2024-05-27 15:44:31 来源: 标准资料网 作者：标准资料网 阅读：8696
【英文标准名称】:StandardTestMethodsforHydroxylGroupsUsingAceticAnhydrideAcetylation
【原文标准名称】:乙酸酐乙酰化法进行羟基试验的标准试验方法
【标准号】:ASTME222-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:E15.01
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:aceticanhydride;acetylation;hydroxyl;hydroxylgroups;hydroxylnumber;primary;secondary;volumetric;Aceticanhydride;Acetylation;Aliphatichydrocarbons;Assay;Hydroxylgroups;Hydroxyl(hydroxideion)content;Perchloricacidcatalyzedmethod;P
【摘要】:Hydroxylisanimportantfunctionalgroup,andknowledgeofitscontentisrequiredinmanyintermediateandenduseapplications.Thetestmethodsdescribedhereinareforthedeterminationofprimaryandsecondaryhydroxylgroupsandcanbeusedfortheassayofcompoundscontainingthem.1.1Thesetestmethodscoverthedeterminationofhydroxylgroupsattachedtoprimaryandsecondarycarbonatomsinaliphaticandalicycliccompoundsandphenols.1.2Threetestmethodsaregivenasfollows:
Sections
TestMethodA(PressureBottleMethod)
8-14
TestMethodB(RefluxMethod)
15-21
TestMethodC(PerchloricAcidCatalyzedMethod)
22-28
【英文标准名称】:StandardTestMethodforCountingPartialCleavagesinWoolandOtherAnimalFibers
【原文标准名称】:计算羊毛和其他动物纤维部分分裂的标准试验方法
【标准号】:ASTMD4510-2005(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:2005
【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】:D13.13
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:animalfibers;damage;partialcleavages;wool;Animalfibers;Cleavages;Damageassessment;Defects--textiles;Microprojection;Partialcleavages;Woolandwooltop
【摘要】:TestMethodD4510forthecountingofpartialcleavages,maybeusedfortheacceptancetestingofcommercialshipmentsofwoolandotheranimalfibers,butcautionisadvised,sinceinformationonbetween-laboratoryprecisionislimited.Comparativetestsasdirectedin5.1.1maybeadvisable.Incaseofadisputearisingfromdifferencesinreportedtestresultswhenusingthistestmethodforacceptancetestingofcommercialshipments,thepurchaserandthesuppliershouldconductcomparativeteststodetermineifthereisastatisticalbiasbetweentheirlaboratories.Competentstatisticalassistanceisrecommendedfortheinvestigationofbias.Asaminimum,thetwopartiesshouldtakeagroupoftestspecimensthatareashomogeneousaspossibleandthatarefromalotofmaterialofthetypeinquestion.Thetestspecimensshouldthenberandomlyassignedinequalnumberstoeachlaboratoryfortesting.TheaverageresultsfromthetwolaboratoriesshouldbecomparedusingStudentst-testforunpaireddataandanacceptableprobabilitylevelchosenbythetwopartiesbeforethetestingisbegun.Ifabiasisfound,eitheritscausemustbefoundandcorrectedorthepurchaserandthesuppliermustagreetointerpretfuturetestresultsinthelightoftheknownbias.Chemicallydamagedortenderedfibersarerecognizablemicroscopicallybyqualifiedoperatorsandshouldnotbecountedaspartialcleavages.Suchfibersexhibittotallossofcuticle,severesurfaceerosion,tenderizingcracks,longitudinalfibrillation,oracombinationofthesefeatures(seeFigs.1and2).Inastudyofdeliberatelyover-carbonizedwoolatonelaboratory,itwasfoundthatwhenmorethan24tenderedfiberswereseenin1m,partialcleavagecountsweresignificantlyhigherthanonsimilarfibersthatwerenotovercarbonized.FIG.1(A)PartialCleavagex2014;Butdonotcountifitisattheendofafiber.ThesplitmayhavebeencausedbyothermeansFIG.1(Bx2013;D)SplitFiber(continued)FIG.2FiberWithTransverseCracks1.1Thistestmethodcoversaprocedure,usingthemicroprojector,forthecountingofpartialcleavagesinwoolandotheranimalfibers.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:W20
【国际标准分类号】:59_060_10
【页数】:7P.;A4
【正文语种】:英语
【英文标准名称】:Industrialautomationsystemsandintegration-Productdatarepresentationandexchange-Part1230:Applicationmodule:Configurationcontrolled3Dpartsandassemblies
【原文标准名称】:工业自动化系统和集成.产品数据表示和交换.第1230部分:应用模块:配置控制的三维部件和组件
【标准号】:ISO/TS10303-1230-2005
【标准状态】:现行
【国别】:国际
【发布日期】:2005-12
【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/TC184
【标准类型】:()
【标准水平】:()
【中文主题词】:应用;自动化;自动化系统;数据交换;数据表示;工业产品;信息交换;信息技术;过程自动化;产品数据;表示法;三维的;三维绘图
【英文主题词】:Applications;Automation;Automationsystems;Dataexchange;Datarepresentation;Industrialproducts;Informationinterchange;Informationtechnology;Processautomation;Productdata;Representations;Tridimensional;3D-graphic
【摘要】:ISO/TS10303-1230:2005specifiestheapplicationmoduleforConfigurationcontrolled3dpartsandassemblies.ThefollowingarewithinthescopeofISO/TS10303-1230:2005:productsthatarethree-dimensionalpartsandassemblies;configurationcontroldataandproductdefinitiondata;shaperepresentationsthatincludesadvancedboundaryrepresentation,facetedboundaryrepresentation,manifoldmanifoldsurfaceswithtopology,geometricallyboundedsurfaceandwireframegeometry,wireframewithtopology,andconstructivesolidgeometryinthree-dimensions;geometricpresentationofgeometricshaperepresentationsbytheapplicationofcolours,layersandgroups;geometricanddimensionaltolerancesappliedtogeometricshaperepresentations;textualannotationandnotesappliedtogeometricshaperepresentations.
【中国标准分类号】:N18
【国际标准分类号】:35_240_50
【页数】:46P.;A4
【正文语种】:英语