【英文标准名称】:PracticefordosimetryinelectronbeamandX-ray(bremsstrahlung)irradiationfacilitiesforfoodprocessing
【原文标准名称】:食品加工用电子束和X射线(韧致辐射)辐照装置中剂量测定的实施规程
【标准号】:ISO/ASTM51431-2005
【标准状态】:现行
【国别】:国际
【发布日期】:2005-05
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC85
【标准类型】:()
【标准水平】:()
【中文主题词】:辐射测量;X射线;电子束;电离辐射;定义;食品;射线处理;韧致辐射;辐射剂量;γ辐射;核辐射;剂量测定
【英文主题词】:Bremsstrahlung;Definition;Definitions;Dosimetry;Electronbeams;Foodproducts;Gamma-radiation;Ionizingradiation;Nuclearradiation;Radiationdose;Radiationmeasurement;Raytreatment;X-rays
【摘要】:1Thispracticeoutlinestheinstallationqualificationpro-gramforanirradiatorandthedosimetricprocedurestobefollowedduringoperationalqualification,performancequali-ficationandroutineprocessinginfacilitiesthatprocessfoodwithhigh-energyelectronsandX-rays(bremsstrahlung)toensurethatproducthasbeentreatedwithinapredeterminedrangeofabsorbeddose.Otherproceduresrelatedtooperationalqualification,performancequalificationandroutineprocessingthatmayinfluenceabsorbeddoseintheproductarealsodiscussed.Informationabouteffectiveorregulatorydoselimitsforfoodproducts,andappropriateenergylimitsforelectronbeamsuseddirectlyortogenerateX-raysisnotwithinthescopeofthispractice(seeASTMGuidesF1355,F1356,F1736,andF1885).Note1—Dosimetryisonlyonecomponentofatotalqualityassuranceprogramforadherencetogoodmanufacturingpracticesusedintheproductionofsafeandwholesomefood.Note2—ISO/ASTMPractice51204describesdosimetricproceduresforgammairradiationfacilitiesforfoodprocessing.2Forguidanceintheselectionandcalibrationofdosim-etrysystems,andinterpretationofmeasuredabsorbeddoseintheproduct,seeISO/ASTMGuide51261andASTMPracticeE666.Fortheuseofspecificdosimetrysystems,seeASTMPracticesE1026andE2304,andISO/ASTMPractices51205,51275,51276,51310,51401,51538,51540,51607,51650and51956.FordiscussionofradiationdosimetryforelectronsandX-raysalsoseeICRUReports35and14.Fordiscussionofradiationdosimetryforpulsedradiation,seeICRUReport34.3Whilegammaradiationfromradioactivenuclideshasdiscreteenergies,X-rays(bremsstrahlung)frommachinesourcescoverawiderangeofenergies,fromlowvalues(about35keV)totheenergyoftheincidentelectronbeam.Forinformationconcerningelectronbeamirradiationtechnologyanddosimetry,seeISO/ASTMPractice51649.ForinformationconcerningX-rayirradiationtechnologyanddosimetry,seeISO/ASTMPractice51608.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.
【中国标准分类号】:X90
【国际标准分类号】:17_240;67_020
【页数】:14P;A4
【正文语种】:英语