【英文标准名称】:StandardTestMethodforOperatingPerformanceofAnion-ExchangeMaterialsforStrongAcidRemoval
【原文标准名称】:清除强酸用阴离子交换材料使用性能的标准试验方法
【标准号】:ASTMD3087-1991(2004)
【标准状态】:现行
【国别】:
【发布日期】:1991
【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】:D19.08
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:水;试验;操作;酸
【英文主题词】:anionresin;ionexchange;operatingperformance
【摘要】:Thistestmethodcanbeusedforevaluatingperformanceofcommerciallyavailableanion-exchangematerialsregardlessofthebasicstrengthoftheionexchangegroups.Whenpreviousoperatinghistoryisknown,agoodinterpretationofresinfoulingormalfunctioncanbeobtainedbycomparisonagainstareferencesampleofunusedion-exchangematerialevaluatedinthesameway.Whileresistivityhasbeenchosenasthepreferredanalyticalmethodfordefiningtheexhaustionendpoint,withtitrationasthealternative,itisunderstoodthatobservationofpHduringrinseandtheserviceruncanyieldusefulinformation.ThevariationsinpHobservedwithanionexchangematerialsuspectedofhavingdegraded,canbehelpfulininterpretationofperformancewhencomparedwithsimilardataforareferencesampleofunusedmaterialexhaustedinthesameway.1.1Thistestmethodcoversthedeterminationoftheoperatingcapacityofanion-exchangematerialswhenusedfortheremovalofhydrochloricandsulfuricacidfromwater.Itisdesignedtosimulateoperatingconditionsforstrongacidremovalandisintendedforuseintestingbothnewandusedmaterials.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Theinch-poundunitsgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecificprecautionarystatementsaregiveninNote1.
【中国标准分类号】:G17
【国际标准分类号】:71_100_40(SURFACEACTIVEAGENTS)
【页数】:4P.;A4
【正文语种】: