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【英文标准名称】:StandardTestMethodforOxygenGasTransmissionRateThroughPlasticFilmandSheetingUsingVariousSensors
【原文标准名称】:使用各种传感器测量氧气通过塑料膜及薄板的传递速率的标准试验方法
【标准号】:ASTMF2622-2008e1
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:F02.10
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:oxygentransmissionrate;permeability;permeation;plasticfilms;Flexiblebarriermaterials;Gastransmissionrate(GTR);Oxygengastransmissionrate(O2GTR);Plasticfilm;Plasticsheetandfilm
【摘要】:TheO2GTRisanimportantdeterminantofthepackagingprotectionaffordedbybarriermaterials.Itisnot,however,thesoledeterminant,andadditionaltests,basedonexperience,mustbeusedtocorrelatepackagingperformancewithO2GTR.Itissuitableasarefereemethodoftesting,providedthatthepurchaserandthesellerhaveagreedonsamplingprocedures,standardizationprocedures,testconditions,andacceptancecriteria.TestingwhichhascomparedselectinstrumentswithothersensorstotheinstrumentsspecificallydescribedinTestMethodD3985isshowninSection16,PrecisionandBias,ofthismethod.ThePrecisionandBiassectionofthismethodshowsresultsusingseveralinstrumentswithnon-coulometricandcoulometricsensors.1.1Thistestmethodcoversaprocedurefordeterminationofthesteady-staterateoftransmissionofoxygengasthroughplasticsintheformoffilm,sheeting,laminates,coextrusions,orplastic-coatedpapersorfabrics.Itprovidesforthedeterminationof(1)oxygengastransmissionrate(O2GTR),(2)thepermeanceofthefilmtooxygengas(PO2),and(3)oxygenpermeabilitycoefficient(P''O2)inthecaseofhomogeneousmaterials.1.2ThistestmethoddoesnotpurporttobetheonlymethodformeasurementofO2GTR.TheremaybeothermethodsofO2GTRdeterminationthatuseotheroxygensensorsandprocedures.1.3Thistestmethodhasintentionallybeenpreparedtoallowfortheuseofvarioussensors,devices,andprocedures.Theprecisionandbiasofeachdesignneedstobeindividuallyestablishedtodeterminetheapplicabilityofthatinstrumentormethodtomeettheneedsoftheuser.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G31
【国际标准分类号】:83_140_10
【页数】:5P.;A4
【正文语种】:英语