【英文标准名称】:StandardPracticeforExtractionofMedicalPlastics
【原文标准名称】:医学塑料制品萃取的标准实施规范
【标准号】:ASTMF619-2003
【标准状态】:现行
【国别】:
【发布日期】:2003
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:F04.16
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:医学科学;萃取;医疗设备;塑料;工艺
【英文主题词】:biocompatibility;extraction;liquids;plastics;specimensize;
【摘要】:Theseextractionproceduresaretheinitialpartofseveraltestproceduresusedinthebiocompatibilityscreeningofplasticsusedinmedicaldevices.Thelimitationsoftheresultsobtainedfromthispracticeshouldberecognized.Thechoiceofextractionvehicle,durationofimmersion,andtemperatureofthetestisnecessarilyarbitrary.Thespecificationoftheseconditionsprovidesabasisforstandardizationandservesasaguidetoinvestigatorswishingtocomparetherelativeresistanceofvariousplasticstoextractionvehicles.Correlationoftestresultswiththeactualperformanceorserviceabilityofmaterialsisnecessarilydependentuponthesimilaritybetweenthetestingandend-useconditions(see12.1.2andNote4).Cautionshouldbeexercisedintheunderstandingandintentofthispracticeasfollows:5.4.1Noallowanceordistinctionismadeforvariablessuchasend-useapplicationanddurationofuse.DecisionsonselectionofteststobedoneshouldbemadebasedonPracticeF748.5.4.2Thispracticewasoriginallydesignedforusewithnonporous,solidmaterials.Itsapplicationforothermaterials,suchasthosethatareporous,orabsorptive,orresorptive,shouldbeconsideredwithcaution.Considerationshouldbegiventoalteringthespecifiedmaterialtoliquidratiotoallowadditionalliquidtofullyhydratethematerialandadditionalliquidorothermethodstofullysubmergethetestarticle.Additionalproceduresthatfullyremovetheextractliquidfromthetestarticle,suchaspressureorphysicallysqueezingthematerial,shouldalsobeconsideredasappropriate.Althoughnodefinitionsaregiveninthispracticeforthefollowingterms,suchitemsasextractionvehiclesurfacetensionatthespecifiedextractionconditionandplasticspecimenphysicalstructureshouldbetakenintoaccount.TestMethodsD543,D570,andD1239maybeusefulinprovidingsupplementalinformation.1.1Thispracticecoversmethodsofextractionofmedicalplasticsandmaybeapplicabletoothermaterials.Thispracticeidentifiesamethodforobtaining"extractliquid"foruseindeterminingthebiologicalresponseinpreclinicaltesting.Furthertestingofthe"extractliquid"isspecifiedinotherASTMstandards.Theextractmayundergochemicalanalysisaspartofthepreclinicalevaluationofthebiologicalresponse,andthematerialafterextractionmayalsobeexamined.1.2Thispracticemaybeusedfor,butisnotlimitedtothefollowingareas:partialevaluationofrawmaterials,auditingmaterialswithinthemanufacturingprocess,andtestingfinalproducts.Thispracticemayalsobeusedasarefereemethodforthemeasurementofextractablesinplasticsusedinmedicaldevices.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G33
【国际标准分类号】:11_120_01;83_080_01
【页数】:4P.;A4
【正文语种】:


【英文标准名称】:Winterandroadserviceareamaintenanceequipment-Solidabsorbentsintendedforroadusage
【原文标准名称】:冬季和公路服务区的维修设备.道路用固体吸附剂
【标准号】:BSDDCEN/TS15366-2009
【标准状态】:现行
【国别】:英国
【发布日期】:2010-03-31
【实施或试行日期】:2010-03-31
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:研磨剂;粘合剂;通道和空间体系(建筑物);垃圾收集;公用;定义;杂质;作标记;道路;安全;试样;抽样方法;规范(验收);试验;废弃物收集;废弃物处理;冬季服务
【英文主题词】:Abrasives;Bindingagents;Circulationandspacesystems(buildings);Collectionofrefuses;Communalpurposes;Definitions;Impurities;Marking;Roads;Safety;Samples;Samplingmethods;Specification(approval);Testing;Wastecollection;Wastehandling;Winterservices
【摘要】:ThisTechnicalSpecificationisaproductspecificationstandard.Itappliestobulkspreadableproductsforabsorbinghydrocarbons,mineraloilsandsimilarliquidsfromroadsurfacesortrafficareas.Eachcountrymayaddusageregulations.
【中国标准分类号】:R17
【国际标准分类号】:13_030_40
【页数】:24P;A4
【正文语种】:英语