ANSI/ASTM D6265-1998 使用挤压机过滤器试验将污染物从聚合物中分离的操作规程

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【英文标准名称】:PracticeforSeparationofContaminantsinPolymersUsinganExtruderFilterTest
【原文标准名称】:使用挤压机过滤器试验将污染物从聚合物中分离的操作规程
【标准号】:ANSI/ASTMD6265-1998
【标准状态】:现行
【国别】:美国
【发布日期】:1998
【实施或试行日期】:1998-08-17
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:污染;杂质;
【英文主题词】:impurities;separationprocesses;contamination
【摘要】:Thispracticecoversameanstoseparatetheunmoltenparticles,gels,andimpuritiescontaminatingapolymersample.Theproceduremaybeusedtoremovegelsandincompatiblematerialsthatmaycauseimperfectionsinthefinalextrudedproduct.Underpressure,mostgelswillbreakupordeformandpassthroughawiremeshfilter,howeverhighmolecularweightgelsmaynotbreakupordeform.Ifdesired,materialsisolatedonawiremeshfiltercansubsequentlybeidentifiedbyspectroscopicorotheranalyticalmeans.Note1-Althoughnotpresentedasaquantitativemethod,theprocedurepresentedinthispracticemaybeusedtoprovidequantitativeresultsatthediscretionoftheuser.Theuserassumestheresponsibilitytoverifythereproducibilityofquantitativeresults.Detectionlimitdependsonthemeshsizeofthefilterscreen,buttheprocedureisgenerallyapplicabletotheseparationofimmisciblecontaminantspresentatconcentrationsgreaterthan0.1%.ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thisstandarddoesnotpurporttoaddressthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardsstatements,seeSection8.Note2-ThereisnoequivalentISOstandard.
【中国标准分类号】:G31
【国际标准分类号】:83_020
【页数】:
【正文语种】:英语