【英文标准名称】:Bindersforpaintsandvarnishes-Determinationofsaponificationvalue-Titrimetricmethod(ISO3681:1996);EnglishversionofDINENISO3681:2007-10
【原文标准名称】:涂料和清漆的粘合剂.皂化值的测定.滴定法
【标准号】:DINENISO3681-2007
【标准状态】:现行
【国别】:德国
【发布日期】:2007-10
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:人造树脂;粘合剂;化学分析和测试;化学指数;涂层材料;定义;测定;含量测定;脂肪;脂肪酸;材料测试;油;涂料;增塑剂;塑料;树脂(天然);可皂化物测定;皂化;皂化值;溶剂;测试;滴定测量;清漆;容量分析
【英文主题词】:
【摘要】:ThisinternationalStandardspecifiesatitrimetricmetohdfordeterminingtheesterified-acidcontentinbindersforpaintsandvarnishes,freeacidsandacidanhydridesbeingnecessarilyincludedintheresultobtained.Becausedifferentbindersvaryintheirresistancetosaponification,thisinternationalStandardisoflimitedapplicability.Ifnecessary,completenessofsaponificationmaybecheckedbyrepeatingthetestundermoresevereconditionsachievedbytheuseoflongersaponificationtime,moreconcentratedpotassiumhydroxidesolution,orahigher-boilingalcoholassolvent.AnnexAspecifiesaproceduresuitableforbindersthatsaponifywithdifficulty.Themethodisnotapplicabletothosematerialsthatshowfurtherreactionwithalkalisbeyondnormalsaponification.
【中国标准分类号】:G52
【国际标准分类号】:87_060_20
【页数】:11P.;A4
【正文语种】:英语