ISO 14887-2000 样品制备.粉末在液体中的分散方法

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【英文标准名称】:Samplepreparation-Dispersingproceduresforpowdersinliquids
【原文标准名称】:样品制备.粉末在液体中的分散方法
【标准号】:ISO14887-2000
【标准状态】:现行
【国别】:国际
【发布日期】:2000-09
【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/TC24
【标准类型】:()
【标准水平】:()
【中文主题词】:粒度;粉末;定义;液体测量;分散;试样制备;分散力;试验;粒径分析;分散作用(化学)
【英文主题词】:Definitions;Dispersing;Dispersing(chemicaltechnology);Dispersion;Dispersionpower;Dispersions(chemical);Measurementofliquids;Methodsofdispersion;Metrology;Particlesize;Particlesizeanalysis;Powder;Specimenpreparation;Structuralcondition;Structuralstability;Suspensions(chemical);Testing
【摘要】:ThisInternationalStandardwasdevelopedtohelpparticlesizeanalystsmakegooddispersionsfrompowder/liquidcombinationswithwhichtheyarenotexperienced.Itprovidesproceduresfor—wettingapowderintoaliquid;—deagglomeratingthewettedclumps;—determiningifsolutioncompositioncanbeadjustedtopreventreagglomeration;—selectingdispersingagentstopreventreagglomeration;—evaluatingthestabilityofthedispersionagainstreagglomeration.ThisInternationalStandardisapplicabletoparticlesranginginsizefromapproximately0,05to100urn.Itprovidesaseriesofquestionsonthenatureofthepowderandliquidinvolved.Theanswersareusedwithchartsthatguidetheusertogenericdispersingagentsthatarelikelytobesuitablefordispersingthepowderintheliquid.ThisInternationalStandardappliesonlytothepreparationofsimple,dilutedispersions(lessthan1%byvolumesolids)forparticlesizeanalysis.Itdoesnotdealwiththeformulationofcomplexandcommercialmixtureshighlyloadedwithsolids,suchaspaints,inks,pharmaceuticals,herbicidesandcompositeplastics.
【中国标准分类号】:A28
【国际标准分类号】:19_120
【页数】:24P;A4
【正文语种】:英语