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【英文标准名称】:StandardTestMethodsforPhysicalandChemicalPropertiesofPowderedIonExchangeResins
【原文标准名称】:粉末状离子交换树脂的物理和化学特性的试验方法
【标准号】:ASTMD4456-1999(2005)
【标准状态】:现行
【国别】:
【发布日期】:1999
【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】:物理的;化学的;树脂;试验;水;离子交换;特性;粉末
【英文主题词】:floc;ionexchange;particlesize;powderedresin;solidscontent
【摘要】:Theparticlesizedistributionofpowderedionexchangeresinsand,moreimportantly,thederivedparametersofmeanparticlesizeandpercentaboveandbelowspecifiedsizelimitsareusefulfordeterminingbatchtobatchvariationsand,insomecases,canberelatedtocertainaspectsofproductperformance.Althoughautomaticmultichannelparticlesizeanalyzers,ofthetypedescribedinSection9,yieldinformationontheentiredistributionofsizespresentinagivensample,ithasbeenfoundthat,forthisapplication,thenumericalvalueofthreederivedparametersmayadequatelydescribetheparticlesizecharacteristicsofthesamples:themeanparticlediameter(inmicrometres),thepercentofthesamplethatfallsbelowsomesizelimit,andthepercentofthesamplethatfallsabovesomesizelimit.1.1Thesetestmethodscoverthedeterminationofthephysicalandchemicalpropertiesofpowderedionexchangeresinsandareintendedforuseintestingnewmaterials.Thefollowingtestmethodsareincluded:SectionsTestMethodA8212;ParticleSizeDistribution5to15TestMethodB8212;SolidsContent16to23