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【英文标准名称】:StandardTestMethodforRetentionCharacteristicsof0.40to0.45-181mMembraneFiltersUsedinRoutineFiltrationProceduresfortheEvaluationofMicrobiologicalWaterQuality
【原文标准名称】:评定微生物水质的常规过滤程序用0.4微米到0.45微米薄膜过滤器滞留特性的标准试验方法
【标准号】:ASTMD3863-1987(2003)
【标准状态】:现行
【国别】:
【发布日期】:1987
【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】:过滤器;试验;质量;特性;评定;微生物分析;水;膜过滤器;水质;薄膜材料
【英文主题词】:filter;membrane;microbiological;waterquality
【摘要】:Microbiologicalwatertestingproceduresusingmembranefiltrationarebasedonthepremisethatallbacteriawithinaspecificsizerangewillberetainedbythemembranefilterused.Ifthemembranefilterdoesnotretainthesebacteria,falsenegativeresultsorlowereddensityestimatesmayoccurthatcouldhaveseriousrepercussionsduetothepresenceofunrecognizedpotentialhealthhazardsinthewaterbeingtested,especiallyindrinkingwater.Thisprocedureasdevisedwillenabletheusertotesteachmembranefilterlotnumberforitsabilitytoretainallbacteriaequalto,orlargerthan,thestatedmembraneporesize.1.1Thistestmethodcoversaproceduretotestmembranefiltersfortheirabilitytoretainbacteriawhosediameterisequaltoorslightlylargerthanmembranefilterswithporesizeratedat0.40to0.45956;m.1.2Theproceduresdescribedarefortheuseofuserlaboratoriesasdifferentiatedfrommanufacturers''laboratories.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:J77
【国际标准分类号】:07_100_20
【页数】:3P.;A4
【正文语种】: