【英文标准名称】:StandardPracticeforPreparationofContaminatedTestCouponsfortheEvaluationofCleaningAgents
【原文标准名称】:评定清洗剂用的杂质试样制备的标准实施规程
【标准号】:ASTMG121-1998(2010)e1
【标准状态】:现行
【国别】:美国
【发布日期】:1998
【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】:G04.02
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:cleaningagents;contaminant;contamination;non-volatileresidue;oxygensystems;standardtestcoupon;Cleaningagents/processes;Contamination--systems(materials/applications);Coupons;Double-sidedtestcoupons;Metalsandmetallicmaterials;Nonvol
【摘要】:Thispracticewillbesuitabletodirectthepreparationoftestcouponswithaknownamountofcontaminantonthesurface.Astandardtestcouponisdescribedandalistofcontaminantsthathavetypicallybeenfoundinoxygen-enrichedsystemsandcomponentsisprovided.Thesecouponsshallbeusedintheevaluationofcleaningagentsforoxygen-enrichedsystemsandcomponents.Thiswillpermitdirectcomparisonwithinandbetweentestfacilities.Materialsusedinotherfluidhandlingsystemssuchasnitrogen,helium,hydrogen,gasoline,etc.mayalsobepreparedforevaluationbythispractice.1.1Thispracticedescribestheprocedureforthepreparationofsingle-anddouble-sidedcontaminatedmetallictestcouponsfortheevaluationofcleaningagents.Itisapplicablefortheevaluationofcleaningagentsproposedforthecleaningofoxygen-enrichedsystemsandcomponents.Italsoisapplicabletoothersystemswherecontaminationisaconcern.1.2Severalclassesofcontaminantsmostlikelytobefoundinoxygen-enrichedsystemsandcomponentsareidentified.However,iftheuserofthispracticehasidentifiedcontaminantsnotincludedintheseclasses,suchidentifiedcontaminantsmaybesubstitutedforthepreparationofthetestcoupons.1.3Preparationofnonmetallicsubstratesisnotaddressed,althoughsimilarmethodologymaybeused.Solventandcleaningagentcompatibilitywiththenonmetallicsubstrateshouldbeverifiedpriortothepreparationofthetestcoupons.TypicalnonmetallicmaterialsutilizedinoxygensystemsarecontainedinGuideG63.1.4Thispracticemayinvolvehazardousmaterials,operations,andequipment.Thispracticedoesnotpurporttoaddressallofthesafetyconcernsassociatedwithitsuse.Itistheresponsibilityofwhomeverusesthispracticetoconsultandestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G73
【国际标准分类号】:71_100_40
【页数】:4P.;A4
【正文语种】:英语