【英文标准名称】:StandardPracticesforSamplingParticulateIon-ExchangeMaterials
【原文标准名称】:粒状离子交换材料的取样的标准实施规程
【标准号】:ASTMD2687-1995(2007)e1
【标准状态】:现行
【国别】:
【发布日期】:1995
【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】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:Ionexchangeresins;Moistureanalysis--refractories;Samplingwateranalysisapplications
【摘要】:Thispracticewillbeusedmostfrequentlytosamplematerialsasreceivedfromthemanufacturerintheoriginalshippingcontainerandpriortoanyresin-conditioningprocedure.Sincecertainion-exchangematerialsaresuppliedbythemanufacturerinthedryorfree-flowingstatewhereasothersaresuppliedmoist,itisnecessarytoemploytwodifferentsamplingdevices.Therefore,thispracticeisdividedintoSamplingProcedurex2014;DryorFree-FlowingMaterial(Section8),andSamplingProcedurex2014;MoistMaterial(Section9).Oncethesampleisobtained,itisnecessarytoprotecttheion-exchangematerialsfromchanges.Samplesshouldbeplacedinsealable,gasproofcontainersimmediately.1.1Thesepracticescoverproceduresforobtainingrepresentativesamplesofion-exchangematerials.Thefollowingpracticesareincluded:
Sections
PracticeAx2014;SamplingfromaSinglePackageandMultiplePackageLotsorShipments
4to11
PracticeBx2014;SamplingfromFixedBedIon-ExchangeEquipmentHavingUnrestrictedHeadRoom
12to16
PracticeCx2014;SamplingfromFixedBedIon-ExchangeEquipmentHavingRestrictedHeadRoom
17to21