【英文标准名称】:StandardTestMethodsforRosinAcidsContentofNavalStores,IncludingRosin,TallOil,andRelatedProducts
【原文标准名称】:包括松香,高脂油和相关产品中心存储的松香酸含量的标准测试方法
【标准号】:ASTMD1240-2002(2006)
【标准状态】:现行
【国别】:
【发布日期】:2002
【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】:D01.34
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:fattyacids;Gliddenmethod;Herrlinger-Compeaumethod;rosin;talloil;talloilfattyacid;talloilrosin;WolfeMethod
【摘要】:Thisisrevisionofthemethodformeasuringrosinacidscontentcombinesthethreemajorwaysofdeterminingtherosinacidscontentofnavalstoresproductsintoasinglemethod.4.1.1Formaterialscontaininglessthan15%rosin,themodifiedGliddenprocedurehasgainedacceptanceovertheHerrlinger-Compeau.Formaterialscontainingmorethan15%rosinthemodifiedWolfeMethodispreferred.ThemodifiedWolfeandmodifiedGliddenproceduresdifferonlyintheirdetails.Theyhavebeencombinedhereintoasingleprocedure.Thisprocedurecanberunusingeitherapotentiometeroraninternalindicatortodeterminetheendpointofthetitration.Useofapotentiometerispreferredandistherefereemethod.Useofaninternalindicatoristheprincipalalternativemethod.TheywillbereferredtoasthePotentiometricMethodandtheInternalIndicatorMethodtodistinguishthemfromtheHerrlinger-CompeauandLinder-Perssonmethods.4.1.2TheHerrlinger-CompeauMethodislimitedinapplicationtomaterialscontaininglessthan15%rosin.Itislittleusedintheindustrytoday.Muchearlyworkisbasedonthistestmethodsoitisincludedheretoprovideahistoricalbasisfortheoveralltestmethod.4.1.3TheLinder-PerssonMethodisalsolittleusedintheindustrytoday.Itisapplicableformeasuringtherosinacidscontentofnavalstoresproductscontaininggreaterthan60%rosin.LiketheHerrlinger-Compeau,itisincludedheretoprovideahistoricalbasisforthetestmethod.Inthoseinstanceswheretheyareused,theHerrlinger-CompeauandLinder-Perssonmethodsareofteninconjunctiontocoverthewholerangeofrosincontent.1.1Thesetestmethodscoverthedeterminationofrosinacidsintalloil,talloilfattyacid,talloilrosin,andothernavalstoresproducts.1.2Thesetestmethodsmaynotbeapplicabletoadductsorderivativesofrosin,fattyacid,orothernavalstoresproducts.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G17
【国际标准分类号】:71_080_40
【页数】:6P.;A4
【正文语种】:


【英文标准名称】:GuidetotheromanizationofKorean
【原文标准名称】:朝鲜字的罗马字体书写指南
【标准号】:PD6505-1982
【标准状态】:现行
【国别】:英国
【发布日期】:1982-05-31
【实施或试行日期】:1982-05-31
【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】:字母;译音;字符集;朝鲜字;字母表
【英文主题词】:letters(symbols);koreancharacters;transliteration;alphabets;charactersets
【摘要】:DescribeswrittenKoreanandprovidessystemsfortransliteration(character-for-character)andphoneticromanization.
【中国标准分类号】:A14
【国际标准分类号】:01_140_10
【页数】:50P;A4
【正文语种】:英语