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ASTM F1306-1990(2002) 挠性阻挡层和叠层板材抗慢速渗透性的试验方法

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【英文标准名称】:StandardTestMethodforSlowRatePenetrationResistanceofFlexibleBarrierFilmsandLaminates
【原文标准名称】:挠性阻挡层和叠层板材抗慢速渗透性的试验方法
【标准号】:ASTMF1306-1990(2002)
【标准状态】:现行
【国别】:
【发布日期】:1990
【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】:F02.20
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:抗渗透性;影片;联锁装置;叠层板材;柔性
【英文主题词】:flexible;biaxia;stress;velocity;
【摘要】:Penetrationresistanceisanimportantend-useperformanceofthinflexiblematerialswhereasharp-edgedproductcandestroytheintegrityofabarrierwrap.Thiswillpermitpackageentry/exitofgases,odors,andunwantedcontaminates,causingpotentialharmtotheproductandreducingshelf-life.Materialresponsetopenetrationwillvarywithnumerousfactors,suchasfilmthickness,elasticmodulus,rateofpenetration,temperature,shapeandtypeofprobe.Consequently,materialresponsesfrompuncturetostretchmaybeobservedandquantifiedusingthismethod.Althoughnumerouscombinationsofexperimentalfactorscanbedevisedandusedtosimulatespecificend-useapplications,therecommendedconditionsinthismethodshouldbefollowedforstandardcomparisonsofmaterials.1.1Thistestmethodpermitsflexiblebarrierfilmsandlaminatestobecharacterizedforslowratepenetrationresistancetoadrivenprobe.Thetestisperformedatroomtemperature,byapplyingabiaxialstressatasingletestvelocityonthematerialuntilperforationoccurs.Theforce,energy,andelongationtoperforationaredetermined.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q24
【国际标准分类号】:91_100_50
【页数】:5P.;A4
【正文语种】:


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【英文标准名称】:StandardPracticeforEstimationofHoldingTimeforWaterSamplesContainingOrganicandInorganicConstituents
【原文标准名称】:含有有机和无机组成物的水样品保留时间的估算的标准作法
【标准号】:ASTMD4841-1988(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:1988
【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】:D19.02
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:degredation;estimation;holdingtime;storagelimit;water;Dataanalysis--water;Holdingtime;Inorganiccompounds--water;Organiccompounds--water;Replication;Samplingwateranalysisapplications;Storage--watersamples
【摘要】:Inordertoobtainmeaningfulanalyticaldata,samplepreservationtechniquesmustbeeffectivefromthetimeofsamplecollectiontothetimeofanalysis.Alaboratorymustconfirmthatsampleintegrityismaintainedthroughoutmaximumtimeperiodsbetweensamplecollectionandanalysis.Inmanycases,itisusefultoknowthemaximumholdingtime.Anevaluationofholdingtimeisusefulalsoinjudgingtheefficacyofvariouspreservationtechniques.1.1Thispracticecoversthemeansofestimatingtheperiodoftimeduringwhichawatersamplecanbestoredaftercollectionandpreservationwithoutsignificantlyaffectingtheaccuracyofanalysis.1.2Themaximumholdingtimeisdependentuponthematrixusedandthespecificanalyteofinterest.Therefore,watersamplesfromaspecificsourcemustbetestedtodeterminetheperiodoftimethatsampleintegrityismaintainedbystandardpreservationpractices.1.3Intheeventthatitisnotpossibletoanalyzethesampleimmediatelyatthetimeofcollection,thispracticedoesnotprovideinformationregardingdegradationoftheconstituentofinterestorchangesinthematrixthatmayoccurfromthetimeofsamplecollectiontothetimeoftheinitialanalysis.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z12
【国际标准分类号】:13_060_30
【页数】:6P.;A4
【正文语种】:英语


【英文标准名称】:Driedmilk,driedice-mixesandprocessedcheese-Determinationoflactosecontent-Part1:Enzymaticmethodutilizingtheglucosemoietyofthelactose
【原文标准名称】:奶粉、干冰混合物和加工的奶酪.测定乳糖含量.第1部分:利用乳糖中葡萄糖含量的酶催化方法
【标准号】:ISO5765-1-2002
【标准状态】:现行
【国别】:国际
【发布日期】:2002-09
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC34
【标准类型】:()
【标准水平】:()
【中文主题词】:调查;乳制品;牛奶;含量测定;酶催化方法;乳糖;添加剂;葡萄糖;半乳糖;测试;化合物;食品;试验报告;定义
【英文主题词】:Additives;Chemicals;Dairyproducts;Definition;Definitions;Determinationofcontent;Enzymaticmethods;Foodproducts;Galactose;Glucose;Investigations;Lactose;Milk;Testing
【摘要】:ThispartofISO5765|IDF79specifiesanenzymaticmethodforthedeterminationofthelactosecontentofalltypesofdriedmilk,ofice-mixesindryforminthepresenceofothercarbohydratesandreducingsubstances,andofprocessedcheese.
【中国标准分类号】:X16
【国际标准分类号】:67_100_10;67_100_30;67_100_40
【页数】:14P;A4
【正文语种】:英语