ASTM D4754-1998(2003) 使用液膜蒸馏器(FDA)移动元件进行塑料材料双侧液体提取的标准试验方法
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【英文标准名称】:StandardTestMethodforTwo-SidedLiquidExtractionofPlasticMaterialsUsingFDAMigrationCell
【原文标准名称】:使用液膜蒸馏器(FDA)移动元件进行塑料材料双侧液体提取的标准试验方法
【标准号】:ASTMD4754-1998(2003)
【标准状态】:现行
【国别】:
【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】:D20.70
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:萃取;塑料;试验;液体
【英文主题词】:diffusion;foodpackaging;indirectadditives;migrationcell;migrationtesting;polymerextraction
【摘要】:Knowledgeofmigrantsfromplasticmaterialsmayservemanyusefulpurposes,suchastestingforcompliancewithfoodadditiveregulations.Theproceduredescribedinthistestmethodisrecommendedassuitableforobtainingsuchdataonmanymigrant(s)/plastic(s)combinations.1.1ThistestmethodcoverstheuseoftheFDAmigrationcellintheextractionofcomponentsandpermitsquantitationofindividualmigrantsfromplasticmaterialsbysuitableextractingliquids,includingliquidfoodsandfood-stimulatingsolvents.1.2Thistestmethodprovidesatwo-sided,liquidextractiontestforplasticmaterialsthatcanbeformedintofilm,sheet,ordisks.1.3Thistestmethodhasbeenappliedtoavarietyofmigrant/polymersystemsincontactwithnumerousfoodsandfoodsimulants.Thoughmostofthemigrantsexaminedwereradiolabeled,theuseoftheFDAcellhasbeenvalidatedformigrationstudiesofunlabeledsytrenefrompolystyrene.1.4ThistestmethodhasbeenshowntoyieldreproducibleresultsundertheconditionsformigrationtestsrequestedbytheFDA.However,ifthedataistobesubmittedtotheFDA,itissuggestedthattheirguidelinesbeconsulted.1.5Becauseitemploystwo-sidedextraction,thistestmethodmaynotbesuitableformulti-layeredplasticsintendedforsingle-sidedfoodcontactuse.1.6ThesizeoftheFDAmigrationcellasdescribedmayprecludeitsuseindeterminingtotalnonvolatileextractivesinsomecases.Note18212;Formoreinformation,seePracticeD1898,theAOACMethodsofAnalysisonFlexibleBarrierMaterialsExposedforExtraction,andthe1995RecommendationsforChemistryDataforIndirectFoodAdditivePetitions.1.7Analyticalproceduresmustbeavailabletoquantitatethemigrant(s)generatedbythistestmethod.1.8ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.9Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecifichazardsstatementsaregiveninSection8.Note28212;ThereisnosimilarorequivalentISOstandard.
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:5P.;A4
【正文语种】:
【原文标准名称】:使用液膜蒸馏器(FDA)移动元件进行塑料材料双侧液体提取的标准试验方法
【标准号】:ASTMD4754-1998(2003)
【标准状态】:现行
【国别】:
【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】:D20.70
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:萃取;塑料;试验;液体
【英文主题词】:diffusion;foodpackaging;indirectadditives;migrationcell;migrationtesting;polymerextraction
【摘要】:Knowledgeofmigrantsfromplasticmaterialsmayservemanyusefulpurposes,suchastestingforcompliancewithfoodadditiveregulations.Theproceduredescribedinthistestmethodisrecommendedassuitableforobtainingsuchdataonmanymigrant(s)/plastic(s)combinations.1.1ThistestmethodcoverstheuseoftheFDAmigrationcellintheextractionofcomponentsandpermitsquantitationofindividualmigrantsfromplasticmaterialsbysuitableextractingliquids,includingliquidfoodsandfood-stimulatingsolvents.1.2Thistestmethodprovidesatwo-sided,liquidextractiontestforplasticmaterialsthatcanbeformedintofilm,sheet,ordisks.1.3Thistestmethodhasbeenappliedtoavarietyofmigrant/polymersystemsincontactwithnumerousfoodsandfoodsimulants.Thoughmostofthemigrantsexaminedwereradiolabeled,theuseoftheFDAcellhasbeenvalidatedformigrationstudiesofunlabeledsytrenefrompolystyrene.1.4ThistestmethodhasbeenshowntoyieldreproducibleresultsundertheconditionsformigrationtestsrequestedbytheFDA.However,ifthedataistobesubmittedtotheFDA,itissuggestedthattheirguidelinesbeconsulted.1.5Becauseitemploystwo-sidedextraction,thistestmethodmaynotbesuitableformulti-layeredplasticsintendedforsingle-sidedfoodcontactuse.1.6ThesizeoftheFDAmigrationcellasdescribedmayprecludeitsuseindeterminingtotalnonvolatileextractivesinsomecases.Note18212;Formoreinformation,seePracticeD1898,theAOACMethodsofAnalysisonFlexibleBarrierMaterialsExposedforExtraction,andthe1995RecommendationsforChemistryDataforIndirectFoodAdditivePetitions.1.7Analyticalproceduresmustbeavailabletoquantitatethemigrant(s)generatedbythistestmethod.1.8ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.9Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecifichazardsstatementsaregiveninSection8.Note28212;ThereisnosimilarorequivalentISOstandard.
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:5P.;A4
【正文语种】:
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