标准名称：	发电厂水汽中痕量阳离子的测定 离子色谱法
发布部门：	国家能源局
发布日期：	2011-07-28
实施日期：	2011-11-01
首发日期：
作废日期：
出版社：	中国电力出版社
出版日期：	2011-11-01

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【英文标准名称】:StandardTestMethodforAcceleratedTemperatureAgingofPrintingandWritingPaperbyDryOvenExposureApparatus
【原文标准名称】:用烘干炉曝光装置测定打印纸和书写纸加速温度老化的标准试验方法
【标准号】:ASTMD6819-2002(2007)
【标准状态】:现行
【国别】:美国
【发布日期】:2002
【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】:D06.92
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:acceleratedagingofpaper;lifeexpectancy;physicalstrengthpermanence;stabilityofpaper
【摘要】:Thistestmethodwillfindusebypartiesconcernedwiththerelativelevelofphysicalstrengthstabilityovertimeofvariousprintingandwritingpapers.Thetestwillprovidemanufacturers,paperusersandotherinterestedpartieswithrankingsofpaperstabilitythatidentifypapersthatwillbestableandthosethatwillbeunstablewhenagedundernormalconditionsofuseandhandlingovertime.Thestabilityrankingsmaybeusedfordefinitionofthestabilityofagivenprintingandwritingpapertoagingovertimewhensubjectedtoreasonableconditionsofuseandhandling.Theserankingswillnotdefinespecificperiodsoflifeexpectancy,asthelimitofmechanicalstrengthpropertyacceptabilitywillbedifferentforvarioususersofagivenpaper.1.1Thistestmethoddescribesalaboratoryprocedureforacceleratingtheagingofprintingandwritingpaperwithinsealedglasstubesthroughexposuretoelevatedtemperaturewithinanoven.1.2Thistestmethodappliestoalltypesofprintingandwritingpaperwhetheritisplainbasepaper,hasinternaladditives,iscoated,isprintedorcontainsanyvariantsofprintingandwritingpaperfoundinnormalusage.1.3Thistestmethodspecifiesthesamplepreparationandconditionsofexposurerequiredtoobtaininformationonthestabilityofpapertoagingwithregardtochangesinmechanicalstrengthpropertiesbroughtaboutbyexposureofsuchpapertoelevatedtemperature.1.4Thistestmethodprovidesthemeanstocomparethestabilityofdifferentpapersonarelativebasis,butdoesnotattempttoprojecttheexactlifeexpectancyforagivenpaper.Lifeexpectancydependsinlargepartonthelimitsofacceptabilitybeyondwhichvariouspaperpropertiesarenolongeruseful,asdefinedbyend-users.Foragivenpaper,thoselimitswillbedifferentfordifferentend-users.Thistestmethoddoesnotprovideameanstomeasureortocalculatesuchlifeexpectancy.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Y33
【国际标准分类号】:85_080_10
【页数】:4P.;A4
【正文语种】:英语