ASTM E2722-2009 用接种琼脂进行织物和空气过滤装置中抗微生物活性的筛选评估的标准试验方法

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【英文标准名称】:StandardTestMethodforUsingSeeded-AgarfortheScreeningAssessmentofAntimicrobialActivityinFabricandAirFilterMedia
【原文标准名称】:用接种琼脂进行织物和空气过滤装置中抗微生物活性的筛选评估的标准试验方法
【标准号】:ASTME2722-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:E35.15
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:antimicrobial;bacteria;fabric;filtermedia;fungi;lowsolubilitypreservative;mold;polymerincorporatedpreservative;textile
【摘要】:Thistestmethodprovidesforrapidscreeningofantimicrobialtreatmentslocatedinoronfabricsandairfiltermedia.Thistestmethodsimulatesactualuseconditionsthatmayoccuronfabrics,forexample,foodandbeveragespills;soilingfrombodycontact,thatis,bodyoils,skincells;prolongedmoistureexposure.Thistestmethodprovidesameanstoscreenforactivityanddurabilityofanantimicrobialtreatmentunderconditionsoforganicloading.Thistestmethodprovidesforthesimultaneousassessmentofmultiplefabriccomponents,forexample,fabric,componentfiberswithpolymerincorporatedtreatments,andbackcoatingifpresent,forantimicrobialactivity.Fabricsorfiltermediamaybecleanedpriortotestingwiththismethodinordertoassessthedurabilityoftheantimicrobialeffect.1.1Thistestmethodisdesignedtoevaluatequalitativelythepresenceofantibacterialandantifungalactivityinoronfabricsorairfiltermedia.1.2Usehalf-strength(nutrientandagar)trypticsoyagarastheinoculumvehicleforbacteriaandhalf-strengthpotatodextroseagarastheinoculumvehicleformoldconidia.Useofhalf-strengthagarsmayreduceundueneutralizationofanantimicrobialduetoexcessiveorganicload.1.3Thistestmethodpermitsevaluation,bothvisuallyandstereomicroscopically,oftheantimicrobialactivityoffabricorfiltermedia.1.4Usethistestmethodtoassessthedurabilityoftheantimicrobialtreatmentsonnewfabricorfiltermedia,andonthoserepeatedlylaunderedorexposedtoin-useconditions.1.5Thistestmethodmaynotbesuitedforcovalentlybonded(non-solubleornon-leaching)antimicrobialssuchassilane-modifiedquaternaryammoniumcompounds.1.6Knowledgeofmicrobiologicaltechniquesisrequiredforthepracticeofthistestmethod.1.7ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.8Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:W55
【国际标准分类号】:07_100_01
【页数】:3P.;A4
【正文语种】:英语