【英文标准名称】:StandardPracticeforSimulatedAgingofCellulosicLoose-FillInsulation
【原文标准名称】:纤维素疏松填充绝缘材料模拟老化的标准实施规程
【标准号】:ASTMC1488-2004
【标准状态】:现行
【国别】:
【发布日期】:2004
【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】:C16.31
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:温度性能;装填料;老化;绝缘;老化试验
【英文主题词】:aging;cellulosicfiberloose-fill;conditioning;humidity/temperaturecycling;thermalinsulation
【摘要】:Thepurposeofthispracticeistosimulatetheagingprocessofcellulosicloose-fillinsulation.Byidentifyinganychangesinflameretardantpermanencyduetotheagingprocess,producerscandesignloose-fillinsulationtomeetorexceedmaterialspecificationsthroughouttheproductlifecycle.1.1Thispracticecoversaproceduretosimulatetheagingprocessofcellulosicloose-fillinsulationbysubjectingittocontrolledlaboratoryconditionsoftemperatureandhumiditysothattheinsulationwillbefurtherevaluated,particularlyforcriticalradiantfluxcharacteristics.1.2Itisnottheintentofthispracticetoestablishagingconditionsthatrepresentallpossibleexposures.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesinparenthesesareprovidedforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatoryrequirementspriortouse.
【中国标准分类号】:Q25
【国际标准分类号】:91_100_60
【页数】:2P.;A4
【正文语种】:


【英文标准名称】:StandardTestMethodforMercurySamplingandMeasurementinNaturalGasbyAtomicAbsorptionSpectroscopy
【原文标准名称】:用原子吸收光谱法对天燃气中汞进行取样和测量的标准试验方法
【标准号】:ASTMD5954-1998(2006)
【标准状态】:现行
【国别】:
【发布日期】:1998
【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】:D03.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:gaseousfuels;mercurysampling;naturalgas
【摘要】:Thistestmethodcanbeusedtomeasurethelevelofmercuryinnaturalgasstreamsforpurposessuchasdeterminingcompliancewithregulations,studyingtheeffectofvariousabatementproceduresonmercuryemissions,checkingthevalidityofdirectinstrumentalmeasurements,andverifyingthatmercuryconcentrationsarebelowthoserequiredfornaturalgasprocessingandoperation.Adsorptionofthemercuryongold-coatedbeadscanremoveinterferencesassociatedwiththedirectmeasurementofmercuryinnaturalgas.Itpreconcentratesthemercurybeforeanalysistherebyofferingmeasurementofultra-lowaverageconcentrationsinanaturalgasstreamoveralongspanoftime.Itavoidsthecumbersomeuseofliquidspargerswithon-sitesampling,andeliminatescontaminationproblemsassociatedwiththeuseofpotassiumpermanganatesolutions.3,4,51.1Thistestcoversthedeterminationoftotalmercuryinnaturalgasatconcentrationsdownto1ng/m3.Itincludesseparateproceduresforbothsamplingandatomicabsorptionspectrophotometricdeterminationofmercury.Theproceduredetectsbothinorganicandorganicformsofmercury.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E24
【国际标准分类号】:13_040_01;71_040_50;75_060
【页数】:5P.;A4
【正文语种】: