NF C26-961-2004 承载印制电路板用涂料(敷形涂料).第1部分:定义、分类及一般要求

上一篇: DIN EN 301908-6-2004 电磁兼容性和无线电频谱情况(ERM).IMT-2000第三代蜂窝式网络用基站(BS)、中继器和用户设备(UE).第6部分:包括R&TTE指令3.2条款中基本要求的IMT-2000的协调的EN:CDMATDD(UTRATDD)(UE)
下一篇: NF C46-604-2-2004 测量和控制用数字数据通信.工业控制系统用现场总线.第2部分:物理层规范和服务定义

【英文标准名称】:StandardTestMethodforDeterminingFormaldehydeConcentrationsinAirandEmissionRatesfromWoodProductsUsingaLargeChamber
【原文标准名称】:确定的试验条件下用大容器测定木制品甲醛量的测试方法
【标准号】:ASTME1333-1996(2002)
【标准状态】:现行
【国别】:
【发布日期】:1996
【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】:D07.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:木制品;甲醛释出;测试方法
【英文主题词】:chromotropicacidanalysis;concentrationinair;emissionrate;formaldehyde;largechamber;woodproductscontainingformaldehyde
【摘要】:1.1Thistestmethodmeasurestheformaldehydeconcentrationinairandemissionratefromwoodproductscontainingformaldehydeunderconditionsdesignedtosimulateproductuse(see11.5andNote7).Theconcentrationinairandemissionrateisdeterminedinalargechamberunderspecifictestconditionsoftemperatureandrelativehumidity.Thegeneralproceduresarealsointendedfortestingproductcombinationsatproduct-loadingratiosandatair-exchangeratestypicaloftheindoorenvironment(1).Theproductstested,theloadingratiosandtheairexchangeratesemployedaredescribedinthetestreport.1.2Thistestmethoddeterminestheaverageformaldehydeconcentrationinairandemissionratefromanumberoflargesizesamples.Theaverageconcentrationandemissionratereported,thus,willnotprovideinformationonhigherorloweremittingpanelsinthetestlot.1.3Thismethodisprimarilyusedfortestingnewlymanufacturedpanelproductsthatareshippedfortestingeitherseal-wrappedinpolyethyleneorwithwastersheets,orwithboth.Whenthistestmethodisusedforevaluatingotherthannewlymanufacturedpanelproducts(afteroriginalapplication,installationoruse),themethodofpackagingandshippingtheproductfortestingshallbedescribedinthetestreport.1.4ThequantityofformaldehydeintheairsampletakenfromthechamberisdeterminedbyanadaptationoftheNationalInstituteforOccupationalSafetyandHealth(NIOSH)3500chromotropicacidtestprocedure.Ifanotheranalyticalprocedureisusedtodeterminethequantityofformaldehydeintheairsample,thatprocedureshallgiveresultsofequivalentorgreateraccuracyandprecisionthantheadaptedchromotropicacidprocedure.Detailedproceduresbasedonacetylacetone,pararosaniline(seeTestMethodD5221),2,4-dinitrophenylhydrazine(DNPH)(seeTestMethodD5197)and3-methyl-2-benzothiazoline(MBTH)(seeTestMethodD5014)havebeenfoundtogiveresultsequivalentorgreaterinaccuracyandprecisionthanchromotropicacid.Thetestreportshallnotetheanalyticalprocedureemployed.Note18212;Thechromotropicacidanalyticalproceduredescribedinthistestmethodisapplicablefortestingurea-formaldehydebondedwoodproducts.AccordingtoNIOSH(4thEdition,8/15/94)thelowendoftheworkingrangeforthechromotropicacidanalyticalprocedureis0.02ppm.Amoresensitiveanalyticalprocedureisrecommendedfortestingwoodpanelproductswhereformaldehydeconcentrationsinairareanticipatedtobeatorbelowthislevel.DNPHisrecognizedassuchamethod.1.5ThistestmethodisusedtodeterminecompliancewithrequirementssuchasthoseestablishedforbuildingmaterialsbytheU.S.DepartmentofHousingandUrbanDevelopmentRulesandRegulations24CFR3280formanufacturedhousingandbyMinnesotaStatutesSection144.495.Measurementresultsarealsousedforcomparingconcentrationsinairandemissionratesfromdifferentwoodproducts(2)andfordeterminingcompliancewithproductstandards.1.6ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.7Thistestmethodisnotdesignedfordetermininggeneralorganicemissionsfromallindoormaterialsandproducts.Note28212;ASTMCommitteeD22hasdevelopedGuideD5116whichdescribessmall-scaleenvironmentalequipmentandtechniquessuitablefordeterminingorganicemissionsandemissionratesfrommaterialsandproductsusedindoors.1.8Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardstatements,seeSection7.
【中国标准分类号】:B60
【国际标准分类号】:79_060_20
【页数】:12P.;A4
【正文语种】:


【英文标准名称】:Sterilizationofhealthcareproducts-Requirementsforvalidationandroutinecontrol-Radiationsterilization;Amendment1:Selectionoftermsfordosesetting
【原文标准名称】:医疗保健产品灭菌确认和常规控制要求辐射灭菌修改1
【标准号】:ISO11137AMD1-2001
【标准状态】:作废
【国别】:国际
【发布日期】:2001-12
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC198
【标准类型】:()
【标准水平】:()
【中文主题词】:选择;监督(认可);规范(验收);辐射灭菌;定义;定义;灭菌;常规试验;保健;医疗产品;证实;个人保健;电子束;剂量;医疗设备
【英文主题词】:
【摘要】:
【中国标准分类号】:C05
【国际标准分类号】:11_080_01
【页数】:2P;A4
【正文语种】:英语